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system
Name the molecular formula for the molecule established as (1R,3R)-5-[2-[(3aS,7aR)-1-[(2S)-6-hydroxy-6-methylheptan-2-yl]-7a-methyl-2,3,3a,5,6,7-hexahydro-1H-inden-4-ylidene]ethylidene]-2-methylidenecyclohexane-1,3-diol using the IUPAC nomenclature.
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C27H44O3
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