You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
N-(3-cyclohexylphenyl)-N-(9,9-dimethylfluoren-2-yl)naphtho[2,1-b][1]benzofuran-8-amine;N-(9,9-dimethylfluoren-2-yl)-N-(4-phenanthren-9-ylphenyl)naphtho[2,1-b][1]benzofuran-8-amine;N-(9,9-dimethyl-7-phenylfluoren-2-yl)-N-(4-phenylphenyl)naphtho[2,1-b][1]benzofuran-8-amine The above is the IUPAC name of a molecule. Write its molecular formula.
user
C143H107N3O3
assistant