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 2,7,19-triphenyl-13-azapentacyclo[12.8.0.03,12.04,9.017,22]docosa-1,3(12),4(9),5,7,10,13,15,17(22),18,20-undecaene .
user
C39H25N
assistant