[{"from": "human", "value": "Could you give me a brief overview of this molecule? [C][O][C][=C][C][=C][Branch1][O][C][=C][N][=C][Ring1][=Branch1][C][=C][Ring1][#Branch2][C@@H1][Branch1][#C][C@H1][C][C@@H1][C][C][N][Ring1][=Branch1][C][C@@H1][Ring1][=Branch1][C][=C][O]"}, {"from": "gpt", "value": "The molecule is a natural cinchona alkaloid which has potent antiarrhythmic activity and has been used for decades in the treatment of atrial and ventricular arrhythmias. Quinidine has been associated with fever, mild jaundice and clinically apparent liver injury in up to 2% of treated patients."}]