You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
8-[3-(4,6-diphenyl-1,3,5-triazin-2-yl)-5-quinolin-2-ylphenyl]-6-phenylbenzo[k]phenanthridine The above is the IUPAC name of a molecule. Write its molecular formula.
user
C53H33N5
assistant