You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Convert the IUPAC name of a molecule 6,14-dimethoxy-13,15-dimethyl-10-methylsulfanyl-8,11-diaza-6-azoniatetracyclo[10.4.0.01,6.07,11]hexadeca-2,4,7,9,12,14-hexaene into molecular formula.
user
C18H22N3O2S+
assistant