1H-​Pyrrole-​2-​carboxamide, 5-​[[4-​[(3-​chloro-​4-​fluorophenyl)​amino]​-​6,​7-​dihydro-​6-​oxo-​5H-​pyrrolo[2,​3-​d]​pyrimidin-​5-​ylidene]​methyl]​-​4-​methyl-​N-​[2-​(4-​morpholinyl)​ethyl]​-​, hydrochloride (1:1)