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What is the molecular formula of the compound with this IUPAC name 4-(4-ethylphenyl)-6-methyl-3-methylidene-5-pent-1-en-2-yl-2-[(3-prop-2-enyl-3H-inden-1-yl)methylidene]-3a,4-dihydro-1H-indene ?
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C37H40
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