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What is the molecular formula of the molecule identified by [(3S,5R,10S,13R,14S,16S,17R)-14-hydroxy-3-[4-hydroxy-5-[4-methoxy-6-methyl-5-[(2R,3S,5S)-2,3,4,5-tetrahydroxy-6-(hydroxymethyl)oxan-2-yl]oxyoxan-2-yl]oxy-6-methyloxan-2-yl]oxy-10,13-dimethyl-17-(5-oxo-2H-furan-3-yl)-1,2,3,4,5,6,7,8,9,11,12,15,16,17-tetradecahydrocyclopenta[a]phenanthren-16-yl] acetate ?
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C44H68O18
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