[{"from": "human", "value": "Describe this molecule. [C][C@@H1][Branch1][S][C@@H1][Branch1][N][C][=C][C][=C][Branch1][Branch1][C][=C][Ring1][=Branch1][O][O][N][C][C][C][=C][C][=C][Branch1][Branch1][C][=C][Ring1][=Branch1][O]"}, {"from": "gpt", "value": "Adrenergic beta-agonist used to control premature labor."}]