[{"from": "human", "value": "Describe this molecule. [C][C][Branch1][C][C][N][Branch2][Ring1][=N][C][C][C][Branch1][=Branch2][C][=C][C][=C][C][=C][Ring1][=Branch1][Branch1][=Branch2][C][=C][C][=C][C][=N][Ring1][=Branch1][C][=Branch1][C][=O][N][C][Branch1][C][C][C]"}, {"from": "gpt", "value": "A class I anti-arrhythmic agent (one that interferes directly with the depolarization of the cardiac membrane and thus serves as a membrane-stabilizing agent) with a depressant action on the heart similar to that of guanidine. It also possesses some anticholinergic and local anesthetic properties."}]