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 2-(dimethylamino)-1-(7-ethoxy-5-thia-2-azaspiro[3.4]octan-2-yl)ethanone;2,2,2-trifluoroacetic acid into molecular formula.
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C14H23F3N2O4S
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