You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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Under IUPAC nomenclature, a molecule named N'-[2-(2-ethoxyphenoxy)acetyl]-1-[3-(trifluoromethyl)pyridin-2-yl]piperidine-3-carbohydrazide is given. What is its corresponding molecular formula?
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C22H25F3N4O4
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