You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Translate the chemical IUPAC name N-[4-(4-phenylphenyl)phenyl]-N-[4-[4-(4-phenyl-N-(4-phenylphenyl)anilino)phenyl]phenyl]bicyclo[4.1.0]hepta-2,4-dien-2-amine into its molecular formula.
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C61H46N2
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