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system
For the molecule named (3R,5S,8S,9R,10S,11S,13S,14S,16S,17R)-17-[(2R,5S)-2-hydroxy-5,6-dimethyl-6-(oxan-2-yloxy)hept-3-yn-2-yl]-8,10,13-trimethyl-3,11-bis(phenylmethoxy)-1,2,3,4,5,6,7,9,11,12,14,15,16,17-tetradecahydrocyclopenta[a]phenanthren-16-ol by IUPAC nomenclature, provide its molecular formula.
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C48H68O6
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