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What is the molecular formula of the molecule identified by (2S,3S,4S,5R)-6-[[(8R,9S,13S,14S,17S)-3-[(3R,4S,5S,6S)-6-carboxy-3,4,5-trihydroxyoxan-2-yl]oxy-13-methyl-6,7,8,9,11,12,14,15,16,17-decahydrocyclopenta[a]phenanthren-17-yl]oxy]-3,4,5-trihydroxyoxane-2-carboxylic acid ?
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C30H40O14
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