You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Please write the molecular formula of the molecule 9-[4-[3-[3,6-bis[9-(9,9-diphenylfluoren-2-yl)carbazol-3-yl]carbazol-9-yl]phenyl]-6-(2-phenylphenyl)pyrimidin-2-yl]-3,6-bis[9-(9,9-diphenylfluoren-2-yl)carbazol-3-yl]carbazole;9-[3-[2-[3,6-bis[9-(3-phenylphenyl)carbazol-3-yl]carbazol-9-yl]-6-[3-(3,5-diphenylphenyl)phenyl]pyrimidin-4-yl]phenyl]-3,6-bis[9-(3-phenylphenyl)carbazol-3-yl]carbazole .
user
C348H220N16
assistant