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What is the molecular formula of the molecule methyl (1S,2R,5S)-2-[(4'R,5'S,7'aS)-4'-formyl-7'a-methylspiro[1,3-dioxolane-2,1'-3,3a,4,5,6,7-hexahydro-2H-indene]-5'-yl]-2,5-dimethylcyclohexane-1-carboxylate ?
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C23H36O5
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