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What is the molecular formula of the compound with this IUPAC name 5-[4-(9,9-dimethylfluoren-2-yl)quinazolin-2-yl]-2-(5,9,9-trimethyl-5,6-dihydrofluoren-3-yl)-[1]benzofuro[3,2-c]carbazole ?
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C57H43N3O
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