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 N-cyclopentyl-3-[4-(trifluoromethyl)phenyl]-1-oxa-2,8-diazaspiro[4.5]dec-3-ene-8-carbothioamide into molecular formula.
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C20H24F3N3OS
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