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What is the molecular formula of the molecule 1-[2-[(3R,5S,8R,9S,10S,13S,14S,17S)-3-cyclopropyl-3-hydroxy-10,13-dimethyl-1,2,4,5,6,7,8,9,11,12,14,15,16,17-tetradecahydrocyclopenta[a]phenanthren-17-yl]-2-oxoethyl]pyrazole-4-carboxylic acid ?
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C28H40N2O4
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