You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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Convert the IUPAC name of a molecule (4aR,5S,8S,8aS)-5,8-bis(ethenyl)-4a,8a-dimethyl-2,3,5,6,7,8-hexahydrobenzo[b][1,4]dioxine into molecular formula.
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C14H22O2
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