You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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For the molecule named 1-propyl-4-[2-(5,6,7,8-tetrahydro-4H-pyrazolo[1,5-a][1,4]diazepin-2-yl)imidazol-1-yl]pyrrolidin-2-one;hydrochloride by IUPAC nomenclature, provide its molecular formula.
user
C17H25ClN6O
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