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What is the molecular formula of the molecule identified by 5-[1-[(3S,10R,13S)-3-hydroxy-10,13-dimethyl-2,3,4,7,8,9,11,12,14,15,16,17-dodecahydro-1H-cyclopenta[a]phenanthren-17-yl]ethylidene]furan-2-one ?
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C25H34O3
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