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 1-[(3R)-3-(4,6-dimethylpyrimidin-2-yl)oxypyrrolidin-1-yl]-2-[3-(trifluoromethyl)phenyl]ethanone into its molecular formula.
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C19H20F3N3O2
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