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What is the molecular formula of the compound with this IUPAC name [2-(4-bromo-17-hydroxy-10,13-dimethyl-3,11-dioxo-1,2,4,5,6,7,8,9,12,14,15,16-dodecahydrocyclopenta[a]phenanthren-17-yl)-2-oxoethyl] acetate ?
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C23H31BrO6
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