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 (4-aminopiperidin-1-yl)-[3-chloro-6-(3,5-dimethylpyrazol-1-yl)pyridin-2-yl]methanone;hydrochloride into its molecular formula.
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C16H21Cl2N5O
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