You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Provide the molecular formula for the IUPAC named substance 8-methyl-10-methylidene-3,6,11-triazatricyclo[7.4.0.02,7]trideca-1(13),2,4,6,8,11-hexaene .
user
C12H9N3
assistant