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 (7-methyl-2,3-dihydro-1,4-benzoxazin-4-yl)-(4,5,6,7-tetrahydro-1H-pyrazolo[4,3-c]pyridin-3-yl)methanone;hydrochloride into its molecular formula.
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C16H19ClN4O2
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