You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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What is the molecular formula of the molecule identified by oxalic acid;2-[3-(3-thiophen-3-yl-1,2,4-oxadiazol-5-yl)azetidin-1-yl]-N-[3-(trifluoromethyl)phenyl]acetamide ?
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C20H17F3N4O6S
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