You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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Translate the chemical IUPAC name N-(3-fluoro-4-methylphenyl)-3-[5-[(4-fluorophenoxy)methyl]-1,2,4-oxadiazol-3-yl]pyrrolidine-1-carboxamide into its molecular formula.
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C21H20F2N4O3
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