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-(4-methoxyphenyl)ethyl]-2-[(E)-[2-oxo-2-[3-(trifluoromethyl)anilino]ethylidene]amino]oxyacetamide is given. What is its corresponding molecular formula?
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C20H20F3N3O4
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