You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Please write the molecular formula of the molecule (2R)-N-methyl-2-[[2-(4-methyl-N-(4-methylphenyl)sulfonylanilino)acetyl]-[(2-methylphenyl)methyl]amino]propanamide .
user
C28H33N3O4S
assistant