[{"from": "human", "value": "Could you give me a brief overview of this molecule? [C][N][Branch2][Ring1][=Branch1][C][C][C][=C][C][=C][Branch1][Branch1][C][=C][Ring1][=Branch1][N][S][=Branch1][C][=O][=Branch1][C][=O][C][C][C][O][C][=C][C][=C][Branch1][Branch1][C][=C][Ring1][=Branch1][N][S][=Branch1][C][=O][=Branch1][C][=O][C]"}, {"from": "gpt", "value": "The molecule is an oral class III antiarrhythmic agent used for treatment and prevention of atrial fibrillation and flutter. Dofetilide has had limited clinical use, but has not been linked to an increased rate of serum enzyme elevations during therapy or to instances of clinically apparent liver injury."}]