You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
1-[4-(3,5-dimethyl-1-phenylpyrazol-4-yl)piperazin-1-yl]-2-(4-propan-2-ylsulfonylphenyl)ethanone The above is the IUPAC name of a molecule. Write its molecular formula.
user
C26H32N4O3S
assistant