You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
For the molecule named 2-[[2-[N-(benzenesulfonyl)-2-methoxyanilino]acetyl]-[(3-methylphenyl)methyl]amino]-N-butylpropanamide by IUPAC nomenclature, provide its molecular formula.
user
C30H37N3O5S
assistant