You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Convert the IUPAC name of a molecule 11-methyl-1,12-diazapentacyclo[10.7.1.02,7.09,20.013,18]icosa-2,4,6,9(20),13,15,17-heptaene-8,19-dione into molecular formula.
user
C19H14N2O2
assistant