You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
2,5-dihydro-1H-pyrrol-2-yl-(2-phenyl-5,7-dihydropyrrolo[3,4-d]pyrimidin-6-yl)methanone;hydrochloride is the IUPAC name of a molecule. Please give its molecular formula.
user
C17H17ClN4O
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