You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
2-[4-[1-(2,5-dimethylphenyl)sulfonylcyclopentanecarbonyl]piperazin-1-yl]-N-propylacetamide The above is the IUPAC name of a molecule. Write its molecular formula.
user
C23H35N3O4S
assistant