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What is the molecular formula of the molecule 8-[9-(9,9-dimethylfluoren-2-yl)-10-phenylanthracen-2-yl]-17-phenyl-13,17-diazatetracyclo[8.7.0.02,7.011,16]heptadeca-1(10),2,4,6,8,11(16),12,14-octaene ?
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C56H38N2
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