You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Can you give the molecular formula of the molecule 16-methyl-9-thia-14,16,23-triazahexacyclo[11.10.0.02,10.03,8.015,23.017,22]tricosa-1(13),2(10),3,5,7,11,14,17,19,21-decaene ?
user
C20H13N3S
assistant