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 [1-[(3,5-dichloropyridin-2-yl)amino]-1-oxopropan-2-yl] (2R)-2-(furan-2-carbonylamino)-3-methylbutanoate into molecular formula.
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C18H19Cl2N3O5
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