You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
For the molecule named N-(9,9-dimethylfluoren-2-yl)-N-(2-naphthalen-1-yl-4-phenylphenyl)phenanthren-9-amine;N-(9,9-dimethylfluoren-2-yl)-N-(2-naphthalen-2-yl-4-phenylphenyl)phenanthren-9-amine;N-(2,4-diphenylphenyl)-9,9-diphenyl-N-(4-phenylphenyl)fluoren-2-amine;N-(2-methyl-4,6-diphenylphenyl)-9,9-diphenyl-N-(4-phenylphenyl)fluoren-2-amine by IUPAC nomenclature, provide its molecular formula.
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C213H154N4
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