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What is the molecular formula of the molecule identified by N-[4-(4-carbazol-9-ylphenyl)phenyl]-N-[7-(2,3-dihydro-1-benzofuran-5-yl)-9,9-dimethylfluoren-2-yl]-7,9,9-trimethylfluoren-2-amine ?
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C63H50N2O
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