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 pyridin-2-yl-[7-(1,3-thiazole-4-carbonyl)-2,7-diazaspiro[3.4]octan-2-yl]methanone;2,2,2-trifluoroacetic acid into molecular formula.
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C18H17F3N4O4S
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