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What is the molecular formula of the molecule identified by [4a,5-dimethyl-2-(3-methylpent-3-enoyloxy)-7-oxo-3-prop-1-en-2-yl-1,2,3,4,5,6,8,8a-octahydronaphthalen-1-yl] 3-methylpent-3-enoate ?
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C27H40O5
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