You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
5-[(4-methoxyphenyl)methylideneamino]-11,13-dimethyl-8-thia-3,4,5,10-tetrazatricyclo[7.4.0.02,7]trideca-1(9),2(7),3,10,12-pentaen-6-one The above is the IUPAC name of a molecule. Write its molecular formula.
user
C18H15N5O2S
assistant