[{"from": "human", "value": "Please give me some details about this molecule. [C][C][Branch2][Ring1][Ring1][C][=C][Branch1][Branch2][C][=C][C][=C][S][Ring1][Branch1][C][=C][C][=C][S][Ring1][Branch1][N][Branch1][C][C][C]"}, {"from": "gpt", "value": "The molecule is an opioid analgesic drug. It is now under international control under Schedule I of the UN Single Convention On Narcotic Drugs 1961, presumably due to high abuse potential, although little more information is available."}]