You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
2-[9-[3-(4-dibenzofuran-2-ylphenyl)-4-phenylphenyl]carbazol-1-yl]-9-phenylcarbazole The above is the IUPAC name of a molecule. Write its molecular formula.
user
C60H38N2O
assistant