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 (6S)-6-ethyl-2,2,3,3-tetrafluoro-5-methyl-4a,5,6,7,8,8a-hexahydrobenzo[b][1,4]dioxine into molecular formula.
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C11H16F4O2
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