You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
1-[[4-(4-acetylphenyl)piperazin-1-ium-1-yl]methyl]-N,N,3,5-tetramethylpyrazole-4-sulfonamide The above is the IUPAC name of a molecule. Write its molecular formula.
user
C20H30N5O3S+
assistant