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What is the molecular formula of the molecule 17-[(2S)-1-hydroxypropan-2-yl]-10,13-dimethyl-7-(3-methyl-2-oxobut-3-enyl)-1,2,4,5,6,7,8,9,11,12,14,15,16,17-tetradecahydrocyclopenta[a]phenanthren-3-one ?
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C27H42O3
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