You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
N-[2-(1H-imidazol-5-yl)ethyl]-2-(5-methyl-7-oxo-1H-[1,2,4]triazolo[1,5-a]pyrimidin-2-yl)acetamide;dihydrochloride The above is the IUPAC name of a molecule. Write its molecular formula.
user
C13H17Cl2N7O2
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