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What is the molecular formula of the molecule N-[(2E,4Z)-5-(2,6-dimethylphenoxy)-4-(3,3,6-trimethyl-2,5-dioxo-1H-pyrido[3,4-b][1,4]oxazin-8-yl)hepta-2,4,6-trien-2-yl]prop-2-enamide ?
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C28H31N3O5
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