[{"from": "human", "value": "Could you provide a description of this molecule? [C][=C][C][=Branch2][Ring1][=Branch1][=C][Branch1][Branch2][C][=Branch1][Ring2][=C][Ring1][=Branch1][Cl][C][C][=Branch1][C][=O][N][=C][Branch1][C][N][N][Cl].[Cl]"}, {"from": "gpt", "value": "The molecule is the hydrochloride salt form of guanfacine, a centrally acting alpha-2 adrenergic agonist with antihypertensive activity. Alpha-2 receptor stimulation by guanfacine hydrochloride results in a decreased sympathetic outflow from the vasomotor center to the heart, kidneys, and peripheral vasculature. This leads to a decrease in heart rate and peripheral vascular resistance. (NCI05)"}]