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What is the molecular formula of the compound with this IUPAC name 4-[4-[ethyl-[2-(2-heptan-3-yl-5-methylidene-1,3,7-trioxopyrrolo[3,4-f]isoindol-6-yl)ethyl]azaniumylidene]cyclohexa-2,5-dien-1-ylidene]-2-[4-[ethyl-[2-(2-heptan-3-yl-1,3,5,7-tetraoxopyrrolo[3,4-f]isoindol-6-yl)ethyl]amino]phenyl]-3-oxocyclobuten-1-olate ?
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C59H62N6O9
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