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 4-[5-(1,3-benzodioxol-5-yl)-1,2,4-oxadiazol-3-yl]-1-[(3,4-dimethoxyphenyl)methyl]pyrrolidin-2-one into its molecular formula.
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C22H21N3O6
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