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What is the molecular formula of the compound with this IUPAC name (3S,8S,9S,10R,13R,14S,17R)-17-[(E,2R)-6,6-dimethylhept-3-en-2-yl]-10,13-dimethyl-2,3,4,7,8,9,11,12,14,15,16,17-dodecahydro-1H-cyclopenta[a]phenanthren-3-ol ?
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C28H46O
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