You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
2-[(4-bromophenyl)sulfonyl-(3-methoxypropyl)amino]-N-[2-(1H-indol-3-yl)ethyl]-N-[[4-(trifluoromethyl)phenyl]methyl]acetamide The above is the IUPAC name of a molecule. Write its molecular formula.
user
C30H31BrF3N3O4S
assistant