[{"from": "human", "value": "Provide a brief overview of 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 n,N-Dimethylbut-3-en-2-amine in which each of the hydrogens at position 4 is substituted by a 2-thienyl group. An opioid analgesic drug, it is controlled under the UN Single Convention on Narcotic Drugs (1961), but is used in veterinary medicine, particularly in Japan. It has a role as an opioid analgesic. It is a member of thiophenes and a tertiary amine."}]