You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
1-(1,1-dioxothiolan-3-yl)-N-(2-methylbutan-2-yl)-5-oxopyrrolidine-3-carboxamide The above is the IUPAC name of a molecule. Write its molecular formula.
user
C14H24N2O4S
assistant