You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
9-[4-(4-naphthalen-2-ylquinazolin-2-yl)phenyl]-8,11,17-triazatetracyclo[8.7.0.02,7.011,16]heptadeca-1(10),2,4,6,8,12,14,16-octaene is the IUPAC name of a molecule. Please give its molecular formula.
user
C38H23N5
assistant