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 9-amino-8-chloro-2,6-dihydro-[1,2,4]triazolo[4,3-c]quinazoline-3,5-dione;hydrochloride into molecular formula.
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C9H7Cl2N5O2
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