[{"from": "human", "value": "Provide a description of this molecule. [C][N][Branch1][C][C][C][C@H1][C][C][C][C][C@@][Ring1][=Branch1][Branch1][=N][C][=C][C][=Branch1][=Branch1][=C][C][=C][Ring1][=Branch1][O][C][O]"}, {"from": "gpt", "value": "The molecule is an opioid analgesic used for the therapy of mild-to-moderate pain. Tramadol overdose can cause acute liver failure. Pharmacologic doses of tramadol has not been associated with cases of clinically apparent drug induced liver disease."}]