You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
9,9-bis(4-methoxyphenyl)-N-(4-phenylphenyl)-N-[4-(4-triphenylsilylphenyl)phenyl]fluoren-2-amine;9,9-bis(4-methylphenyl)-N-(4-phenylphenyl)-N-[4-(4-triphenylsilylphenyl)phenyl]fluoren-2-amine;9,9-diphenyl-N-(4-phenylphenyl)-N-[4-(4-triphenylsilylphenyl)phenyl]fluoren-2-amine The above is the IUPAC name of a molecule. Write its molecular formula.
user
C205H155N3O2Si3
assistant