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What is the molecular formula of the compound with this IUPAC name [6-hydroxy-14-[3-(hydroxymethyl)-5-oxooxolan-2-yl]-2,6,14,17-tetramethyl-3,11-dioxo-10-oxatetracyclo[7.7.1.02,7.013,17]heptadeca-4,12-dien-16-yl] acetate ?
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C27H34O9
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