You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
1-(2,3-dihydro-1H-inden-5-ylsulfonyl)-N-[(1S)-1-phenylbutyl]piperidine-4-carboxamide The above is the IUPAC name of a molecule. Write its molecular formula.
user
C25H32N2O3S
assistant