You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Translate the chemical IUPAC name 9-[4-[2,7-bis(2,4-dimethylphenyl)carbazol-9-yl]-2-isocyano-5-[2-isocyano-4-(trifluoromethyl)phenyl]phenyl]-2,7-bis(2,4-dimethylphenyl)carbazole into its molecular formula.
user
C71H53F3N4
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