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What is the molecular formula of the compound with this IUPAC name 4-(2-spiro[fluorene-9,11'-hexacyclo[13.7.1.02,14.04,12.05,10.019,23]tricosa-1(22),2,4(12),5,7,9,13,15,17,19(23),20-undecaene]-3'-yl-1H-inden-1-yl)pyridine ?
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C49H29N
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