You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
9-[8-[3,6-bis(3-pyridin-3-ylphenyl)carbazol-9-yl]dibenzofuran-2-yl]-3-(5-pyridin-3-ylcyclohexa-1,3-dien-1-yl)-6-(3-pyridin-3-ylphenyl)carbazole The above is the IUPAC name of a molecule. Write its molecular formula.
user
C80H52N6O
assistant