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What is the molecular formula of the compound with this IUPAC name (E)-5-[6'-(4,6-diphenyl-1,3,5-triazin-2-yl)spiro[fluorene-9,9'-xanthene]-3'-yl]-3-N-[(3E)-4-(ethylideneamino)-3-methylbuta-1,3-dien-2-yl]-1-N-[(Z)-prop-1-enyl]pent-4-ene-1,3-diimine ?
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C55H44N6O
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