You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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5-(3-chlorophenyl)-4-[2,3-dihydro-1,4-benzodioxin-6-yl(hydroxy)methylidene]-1-(3-methoxypropyl)pyrrolidine-2,3-dione is the IUPAC name of a molecule. Please give its molecular formula.
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C23H22ClNO6
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