Hmm ... It's impossible ;-) This RPM doesn't exist on any FTP server

Provides :
llvm-toolset-11.0-clang-tools-extra
llvm-toolset-11.0-clang-tools-extra(x86-64)
scl-package(llvm-toolset-11.0)

Requires :

libc.so.6()(64bit)
libstdc++.so.6(GLIBCXX_3.4.19)(64bit)
libclang.so.11()(64bit)
libxml2.so.2(LIBXML2_2.4.30)(64bit)
llvm-toolset-11.0-clang-libs(x86-64) = 11.0.1-1.el7_9
/usr/bin/env
rtld(GNU_HASH)
libstdc++.so.6(GLIBCXX_3.4.11)(64bit)
libstdc++.so.6(GLIBCXX_3.4.15)(64bit)
libxml2.so.2(LIBXML2_2.5.2)(64bit)
libstdc++.so.6(GLIBCXX_3.4)(64bit)
libm.so.6(GLIBC_2.2.5)(64bit)
libstdc++.so.6(CXXABI_1.3)(64bit)
libstdc++.so.6(CXXABI_1.3.2)(64bit)
libpthread.so.0(GLIBC_2.3.2)(64bit)
libgcc_s.so.1(GCC_3.0)(64bit)
rpmlib(PayloadIsXz) <= 5.2-1
ld-linux-x86-64.so.2(GLIBC_2.3)(64bit)
libLLVM-11.so()(64bit)
libgcc_s.so.1(GCC_3.4)(64bit)
libxml2.so.2(LIBXML2_2.6.0)(64bit)
libclang.so.11(LLVM_11)(64bit)
libc.so.6(GLIBC_2.14)(64bit)
libc.so.6(GLIBC_2.2.5)(64bit)
libc.so.6(GLIBC_2.3.4)(64bit)
libstdc++.so.6(GLIBCXX_3.4.14)(64bit)
libclang-cpp.so.11()(64bit)
libstdc++.so.6()(64bit)
rpmlib(PayloadFilesHavePrefix) <= 4.0-1
libpthread.so.0(GLIBC_2.2.5)(64bit)
libpthread.so.0()(64bit)
libstdc++.so.6(GLIBCXX_3.4.18)(64bit)
rpmlib(FileDigests) <= 4.6.0-1
rpmlib(CompressedFileNames) <= 3.0.4-1
ld-linux-x86-64.so.2()(64bit)
libxml2.so.2()(64bit)
rpmlib(PartialHardlinkSets) <= 4.0.4-1
libc.so.6(GLIBC_2.4)(64bit)
libstdc++.so.6(GLIBCXX_3.4.9)(64bit)
emacs-filesystem
libstdc++.so.6(CXXABI_1.3.5)(64bit)
libLLVM-11.so(LLVM_11)(64bit)
libm.so.6()(64bit)
llvm-toolset-11.0-runtime
libgcc_s.so.1()(64bit)
libstdc++.so.6(CXXABI_1.3.3)(64bit)
libstdc++.so.6(CXXABI_1.3.7)(64bit)

Content of RPM :
/opt/rh/llvm-toolset-11.0/root/usr/bin/c-index-test
/opt/rh/llvm-toolset-11.0/root/usr/bin/clang-apply-replacements
/opt/rh/llvm-toolset-11.0/root/usr/bin/clang-change-namespace
/opt/rh/llvm-toolset-11.0/root/usr/bin/clang-check
/opt/rh/llvm-toolset-11.0/root/usr/bin/clang-doc
/opt/rh/llvm-toolset-11.0/root/usr/bin/clang-extdef-mapping
/opt/rh/llvm-toolset-11.0/root/usr/bin/clang-format
/opt/rh/llvm-toolset-11.0/root/usr/bin/clang-include-fixer
/opt/rh/llvm-toolset-11.0/root/usr/bin/clang-move
/opt/rh/llvm-toolset-11.0/root/usr/bin/clang-offload-bundler
/opt/rh/llvm-toolset-11.0/root/usr/bin/clang-offload-wrapper
/opt/rh/llvm-toolset-11.0/root/usr/bin/clang-query
/opt/rh/llvm-toolset-11.0/root/usr/bin/clang-refactor
/opt/rh/llvm-toolset-11.0/root/usr/bin/clang-rename
/opt/rh/llvm-toolset-11.0/root/usr/bin/clang-reorder-fields
/opt/rh/llvm-toolset-11.0/root/usr/bin/clang-scan-deps
/opt/rh/llvm-toolset-11.0/root/usr/bin/clang-tidy
/opt/rh/llvm-toolset-11.0/root/usr/bin/clangd
/opt/rh/llvm-toolset-11.0/root/usr/bin/diagtool
/opt/rh/llvm-toolset-11.0/root/usr/bin/find-all-symbols
/opt/rh/llvm-toolset-11.0/root/usr/bin/hmaptool
/opt/rh/llvm-toolset-11.0/root/usr/bin/modularize
/opt/rh/llvm-toolset-11.0/root/usr/bin/pp-trace
/opt/rh/llvm-toolset-11.0/root/usr/share/clang/clang-format-diff.py
/opt/rh/llvm-toolset-11.0/root/usr/share/clang/clang-format-diff.pyc
/opt/rh/llvm-toolset-11.0/root/usr/share/clang/clang-format-diff.pyo
/opt/rh/llvm-toolset-11.0/root/usr/share/clang/clang-format.py
/opt/rh/llvm-toolset-11.0/root/usr/share/clang/clang-format.pyc
/opt/rh/llvm-toolset-11.0/root/usr/share/clang/clang-format.pyo
/opt/rh/llvm-toolset-11.0/root/usr/share/clang/clang-include-fixer.py
There is 18 files more in these RPM.