You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
3-[3-[6-[6-(4-dibenzofuran-4-ylphenyl)naphthalen-2-yl]naphthalen-2-yl]phenyl]phenanthro[9,10-b]pyrazine The above is the IUPAC name of a molecule. Write its molecular formula.
user
C60H36N2O
assistant