You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
N-[1-[4-(1,3-benzoxazol-2-yl)phenyl]-2,5-dioxopyrrolidin-3-yl]-N-[2-(3-chlorophenyl)ethyl]-4-methoxybenzenesulfonamide is the IUPAC name of a molecule. Please give its molecular formula.
user
C32H26ClN3O6S
assistant