You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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N-[(5-chloro-7-pyrimidin-2-yl-2,3-dihydro-1-benzofuran-2-yl)methyl]-2-(2-methoxyphenoxy)acetamide is the IUPAC name of a molecule. Please give its molecular formula.
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C22H20ClN3O4
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