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system
Name the molecular formula for the molecule established as 4-(11-acetyloxy-10,13-dimethyl-3-oxo-1,2,6,7,8,9,11,12,14,15,16,17-dodecahydrocyclopenta[a]phenanthren-17-yl)pentanoic acid using the IUPAC nomenclature.
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C26H38O5
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