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What is the molecular formula of the molecule identified by methyl 2-[(5S,8S,9S,10R,13S,14S,17R)-10,13-dimethyl-3,6-dioxo-2,4,5,7,8,9,11,12,14,15,16,17-dodecahydro-1H-cyclopenta[a]phenanthren-17-yl]propanoate ?
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C23H34O4
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