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What is the molecular formula of the molecule [6-[2-[2-(3,4-dihydroxyphenyl)ethoxy]-5-[3-(3,4-dihydroxyphenyl)prop-2-enoyloxy]-3-hydroxy-6-(hydroxymethyl)oxan-4-yl]oxy-3,4,5-trihydroxyoxan-2-yl]methyl 3-(4-hydroxyphenyl)prop-2-enoate ?
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C38H42O18
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