You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Translate the chemical IUPAC name 5-methyl-10-(1-methylcyclohexyl)-4-thia-8-aza-6-azoniatetracyclo[6.6.1.02,6.011,15]pentadeca-1(14),2,5,9,11(15),12-hexaene into its molecular formula.
user
C20H23N2S+
assistant