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What is the molecular formula of the molecule identified by (2,5-dioxopyrrolidin-1-yl) 2-methyl-2-[(Z)-(10,13,17-trimethyl-1,2,6,7,8,9,11,12,14,15,16,17-dodecahydrocyclopenta[a]phenanthren-3-ylidene)amino]oxypropanoate ?
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C28H40N2O5
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