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What is the molecular formula of the compound with this IUPAC name 2-[(2R,4aS,12aS)-8-[(2-methoxyacetyl)amino]-5-methyl-6-oxo-2,3,4,4a,12,12a-hexahydropyrano[2,3-c][1,5]benzoxazocin-2-yl]-N-(4-methoxyphenyl)acetamide ?
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C26H31N3O7
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