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 2-[benzyl-[2-(3,4-dimethoxy-N-(4-methylphenyl)sulfonylanilino)acetyl]amino]-N-propan-2-ylbutanamide .
user
C31H39N3O6S
assistant