You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
For the molecule named N-[2-[4-[3-[(4-methylphenyl)methyl]-1,2,4-thiadiazol-5-yl]piperazin-1-ium-1-yl]ethyl]heptanamide by IUPAC nomenclature, provide its molecular formula.
user
C23H36N5OS+
assistant