You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Translate the chemical IUPAC name 2-[3-[3,6-bis(2,4-dimethylphenyl)carbazol-9-yl]-2-[2-[3,6-bis(2,4-dimethylphenyl)carbazol-9-yl]-6-isocyanophenyl]phenyl]-5-methylbenzonitrile into its molecular formula.
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C77H60N4
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