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 3-(3,4-dimethoxyphenyl)-1-(furan-2-ylmethyl)-4-piperidin-1-ylpyrrole-2,5-dione is given. What is its corresponding molecular formula?
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C22H24N2O5
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