You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
benzenesulfonate;3-(4-chlorophenyl)-2-(2,4-dichlorophenyl)-N-piperidin-1-ium-1-yl-3,4-dihydropyrazole-5-carboxamide The above is the IUPAC name of a molecule. Write its molecular formula.
user
C27H27Cl3N4O4S
assistant