You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
2-ethenyl-3-phenyl-6-[3-[4-(4-phenylphenyl)quinazolin-2-yl]phenyl]-1-[(Z)-prop-1-enyl]pyrrolo[2,3-k]phenanthridine The above is the IUPAC name of a molecule. Write its molecular formula.
user
C52H36N4
assistant