[{"from": "human", "value": "Please give me some details about this molecule. [C][=C][C][C][C@][Branch2][Ring2][Ring2][C@H1][C][C][=C][C@][Ring1][=Branch1][Branch1][S][C@H1][Ring1][#Branch2][O][C][Ring1][Branch1][=C][Branch1][Branch1][C][=C][Ring1][=Branch2][O][C][C][N][Ring1][#C][C][C][C][C][Ring1][Ring1][O]"}, {"from": "gpt", "value": "The molecule is an opiate receptor antagonist which is used to treat acute opioid overdose and to help in the management of alcohol dependence and addictive behaviors. Nalmefene has not been linked to serum enzyme elevations during therapy or to clinically apparent liver injury."}]