[{"from": "human", "value": "Could you provide a description of 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][O][C@H1][Ring1][=N][C@H1][Branch1][Branch1][C][=C][Ring1][#C][O]"}, {"from": "gpt", "value": "The molecule is a potent analgesic, though its use is limited due to tolerance, withdrawal, and the risk of abuse. Morphine is still routinely used today, though there are a number of semi-synthetic opioids of varying strength such as [codeine], [fentanyl], [methadone], [hydrocodone], [hydromorphone], [meperidine], and [oxycodone].  Morphine was granted FDA approval in 1941."}]