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 [(2R,3R)-3-cyclopentylbutan-2-yl] (2S)-2-[(3-hydroxy-4-methoxypyridine-2-carbonyl)amino]propanoate into molecular formula.
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C19H28N2O5
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