You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
3-[4-(1,3-dioxolan-2-yl)piperidine-1-carbonyl]-N,N-dimethyl-4-morpholin-4-ylbenzenesulfonamide The above is the IUPAC name of a molecule. Write its molecular formula.
user
C21H31N3O6S
assistant