[{"from": "human", "value": "Please give me some details about this molecule. [C][C][=Branch1][C][=O][O][C@H1][C][=C][C@H1][C@H1][C][C][=C][C@][Ring1][=Branch1][Branch2][Ring1][Branch1][C@H1][Ring1][#Branch2][O][C][Ring1][Branch1][=C][Branch1][Branch1][C][=C][Ring1][=Branch2][O][C][=Branch1][C][=O][C][C][C][N][Ring2][Ring1][C][C]"}, {"from": "gpt", "value": "The molecule is a controlled substance (opium derivative) listed in the U.S. Code of Federal Regulations, Title 21 Parts 329.1, 1308.11 (1987). Sale is forbidden in the United States by Federal statute. (Merck Index, 11th ed) Internationally, heroin is controlled under Schedules I and IV of the Single Convention on Narcotic Drugs. It is illegal to manufacture, possess, or sell heroin in the United States and the UK. However, under the name diamorphine, heroin is a legal prescription drug in the United Kingdom."}]