You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
For the molecule named N-[3-(azepan-1-yl)-3-oxopropyl]-1-(4-methoxyphenyl)sulfonylpiperidine-4-carboxamide by IUPAC nomenclature, provide its molecular formula.
user
C22H33N3O5S
assistant