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 (2R)-2-[[2-(N-(4-chlorophenyl)sulfonyl-2-methylanilino)acetyl]-(2-phenylethyl)amino]-N-methylpropanamide .
user
C27H30ClN3O4S
assistant