[{"from": "human", "value": "Please give me some details about this molecule. [C][N][C][C][C@][C@@H1][C@H1][Ring1][=Branch1][C][C][=C][Ring1][=Branch1][C][=Branch1][#Branch2][=C][Branch1][Branch1][C][=C][Ring1][=Branch1][O][C][O][C@H1][Ring1][=C][C@H1][Branch1][Branch1][C][C][Ring1][S][O]"}, {"from": "gpt", "value": "The molecule is an opioid analgesic used as an alternative or adjunct to codeine to treat moderate to severe pain, severe dyspnea, and cough.   It is semi-synthetic, and was developed in Germany in 1908 during an international search to find a more effective antitussive agent to help reduce the spread of airborne infectious diseases such as tuburculosis. It was marketed in 1911."}]