You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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Convert the IUPAC name of a molecule 4-[(3R)-1-[(4-ethoxy-3-methoxyphenyl)methyl]pyrrolidin-3-yl]-2-methyl-1H-pyrimidin-6-one into molecular formula.
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C19H25N3O3
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