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 5-(2-chlorophenyl)-4-methyl-2-[(4-phenyl-1,2,3,6-tetrahydropyridin-1-ium-1-yl)methyl]-1,2,4-triazole-3-thione .
user
C21H22ClN4S+
assistant