You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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For the molecule named 1-[(3R)-1-(6-amino-5-chloro-2-methyl-2,3-dihydropyridin-4-yl)piperidin-3-yl]-3-(3-chloro-5-fluoroanilino)piperidin-2-one by IUPAC nomenclature, provide its molecular formula.
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C22H28Cl2FN5O
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