You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Can you give the molecular formula of the molecule (2R)-N-[(2S)-butan-2-yl]-2-[[2-(2-methoxy-N-(4-methylphenyl)sulfonylanilino)acetyl]-[(3-methylphenyl)methyl]amino]propanamide ?
user
C31H39N3O5S
assistant