You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
[4-[3,5-bis(trifluoromethyl)phenyl]sulfonylpiperazin-1-yl]-(5-methyl-1H-pyrazol-3-yl)methanone The above is the IUPAC name of a molecule. Write its molecular formula.
user
C17H16F6N4O3S
assistant