You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Name the molecular formula for the molecule established as N,N-dimethyl-2-[3-[2-[3-methyl-6-(4-propan-2-ylsulfonylphenyl)pyrazin-2-yl]ethynyl]phenoxy]ethanamine;molecular hydrogen using the IUPAC nomenclature.
user
C26H31N3O3S
assistant