You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
2,4-dimethyl-3-[1-[(2-methylpropan-2-yl)oxycarbonyl]-5-oxopyrrolidin-2-yl]benzenesulfonic acid The above is the IUPAC name of a molecule. Write its molecular formula.
user
C17H23NO6S
assistant