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system
[(3S)-2,2-dimethyl-8-oxo-3,4-dihydropyrano[3,2-g]chromen-3-yl] N-[(E)-2-(furan-2-yl)ethenyl]carbamate;(E)-3-(furan-2-yl)prop-2-enoic acid;(E)-3-(furan-2-yl)prop-2-enoyl azide;(3S)-3-hydroxy-2,2-dimethyl-3,4-dihydropyrano[3,2-g]chromen-8-one;2-[(E)-2-isocyanatoethenyl]furan The above is the IUPAC name of a molecule. Write its molecular formula.
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C63H54N6O19
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