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 (2S)-N-butyl-2-[[2-(4-methyl-N-(4-methylphenyl)sulfonylanilino)acetyl]-[(2-methylphenyl)methyl]amino]-3-phenylpropanamide .
user
C37H43N3O4S
assistant