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 N-(3-dibenzofuran-2-ylphenyl)-N-(9,9-dimethylfluoren-3-yl)-9,9-dimethylfluoren-1-amine;N-(4-dibenzothiophen-3-ylphenyl)-N-(9,9-dimethylfluoren-3-yl)-9,9-dimethylfluoren-1-amine;N-(9,9-dimethylfluoren-3-yl)-9,9-dimethyl-N-[2-(9-phenylcarbazol-1-yl)phenyl]fluoren-1-amine;N-(9,9-dimethylfluoren-3-yl)-9,9-dimethyl-N-[3-(9-phenylcarbazol-3-yl)phenyl]fluoren-1-amine .
user
C204H158N6OS
assistant