You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
For the molecule named 5-(2,6-dioxopiperidin-1-yl)-2-methoxy-N-(4-pyrrolidin-1-ylphenyl)benzenesulfonamide by IUPAC nomenclature, provide its molecular formula.
user
C22H25N3O5S
assistant