You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
1,5,9-triazapentacyclo[10.6.1.02,7.08,19.013,18]nonadeca-2(7),3,5,8,10,12(19),13,15,17-nonaene is the IUPAC name of a molecule. Please give its molecular formula.
user
C16H9N3
assistant