You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Convert the IUPAC name of a molecule 2-[4-[2-(benzenesulfonamido)-2-oxoethoxy]-1-benzyl-2-(2-methylpropyl)indol-3-yl]-N-methyl-2-oxoacetamide into molecular formula.
user
C30H31N3O6S
assistant