You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
5-[3-(ethylaminomethyl)phenyl]-3-(1-ethylsulfonylpiperidin-4-yl)-1H-indole-7-carboxamide is the IUPAC name of a molecule. Please give its molecular formula.
user
C25H32N4O3S
assistant