You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
2-[[2-[N-(benzenesulfonyl)-2,4-dimethylanilino]acetyl]-[(3-methoxyphenyl)methyl]amino]-N-propan-2-ylbutanamide The above is the IUPAC name of a molecule. Write its molecular formula.
user
C31H39N3O5S
assistant