You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
4-[4-(11,11-dimethylbenzo[a]fluoren-7-yl)phenyl]-2-(3-phenylphenyl)-6-pyridin-3-ylpyrimidine;4-[4-(7,7-dimethylbenzo[c]fluoren-11-yl)phenyl]-2-(3-phenylphenyl)-6-pyridin-4-ylpyrimidine The above is the IUPAC name of a molecule. Write its molecular formula.
user
C92H66N6
assistant