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What is the molecular formula of the molecule identified by (3S,8S,9S,10R,13S,14S,17S)-10,13,16-trimethyl-17-[(2R)-6-methylheptan-2-yl]-2,3,4,7,8,9,11,12,14,15,16,17-dodecahydro-1H-cyclopenta[a]phenanthren-3-ol ?
user
C28H48O
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