You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Provide the molecular formula for the IUPAC named substance 4-[4-[4-chloro-3-(trifluoromethyl)phenyl]piperazin-1-yl]-N-methylpyridin-1-ium-3-sulfonamide .
user
C17H19ClF3N4O2S+
assistant