[{"from": "human", "value": "Describe this molecule. [C][C][Branch2][Ring1][Branch1][C][Branch1][P][C][=C][Branch1][O][C][=C][C][=Branch1][Ring2][=C][Ring1][=Branch1][O][C][O][C][O][N][C][Branch1][C][C][Branch1][C][C][C].[Cl]"}, {"from": "gpt", "value": "The molecule is the hydrochloride salt form of butoxamine, a selective beta-2 adrenergic antagonist. Butoxamine is used primarily in animal and tissue experiments to identify beta-2 receptors and their function."}]