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 3-(9-dibenzofuran-2-ylcarbazol-3-yl)-9-phenylcarbazole;3-(9-dibenzofuran-3-ylcarbazol-3-yl)-9-phenylcarbazole;3-(9-dibenzofuran-2-ylcarbazol-3-yl)-9-(2-phenylphenyl)carbazole;3-(9-dibenzofuran-2-ylcarbazol-3-yl)-9-(3-phenylphenyl)carbazole;3-(9-dibenzofuran-2-ylcarbazol-3-yl)-9-(4-phenylphenyl)carbazole .
user
C228H142N10O5
assistant