[{"from": "human", "value": "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]"}, {"from": "gpt", "value": "The molecule is a selective alpha-adrenergic receptor agonist used for the treatment of hypertension and attention deficit hyperactivity disorder (ADHD) in adults and children. Guanfacine has not been linked to serum enzyme elevations during treatment or to cases of acute, clinically apparent liver injury."}]