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What is the molecular formula of the molecule 11-[9-[2-(9,9-dimethylfluoren-2-yl)phenyl]-10-phenyl-6-(5,6,7,8-tetrahydrobenzo[b][1]benzazepin-11-yl)anthracen-2-yl]-5,6-dihydrobenzo[b][1]benzazepine ?
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C69H54N2
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