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What is the molecular formula of the compound with this IUPAC name [(1S,3S,4R)-3-acetyloxy-4-[(4S,7aS)-4-[(Z)-4-(dimethylamino)but-2-enyl]-7a-methyl-1-methylidene-3,3a,4,5,6,7-hexahydro-2H-inden-5-yl]-4-methylcyclohexyl] acetate ?
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C28H45NO4
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