[{"from": "human", "value": "Provide a brief overview of this molecule. [C][C][Branch1][C][C][Branch1][C][C][N][C][C][Branch1][#C][C][=C][C][=Branch1][=Branch2][=C][C][=Branch1][Ring2][=C][Ring1][=Branch1][O][O][O]"}, {"from": "gpt", "value": "The molecule is a selective beta-2 adrenergic agonist used as a bronchodilator in asthmatic patients.  Terbutaline was granted FDA approval on 25 March 1974."}]