You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Provide the molecular formula for the IUPAC named substance [(7R)-7-(2-methylphenyl)-1,4-thiazepan-4-yl]-(4-pyrrolidin-1-ylsulfonylphenyl)methanone .
user
C23H28N2O3S2
assistant