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 2-(5-fluoro-6-morpholin-4-ylpyridin-3-yl)-N-[(1R)-1-[5-(2,2,2-trifluoroethoxy)pyridin-2-yl]ethyl]acetamide into molecular formula.
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C20H22F4N4O3
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