[{"from": "human", "value": "Could you give me a brief overview of this molecule? [C][N][C][C][N][Branch1][Branch1][C][C][Ring1][=Branch1][C][=Branch1][C][=O][O][C][C][=N][C][=C][N][=C][Ring1][=Branch1][C][=Branch1][C][=O][N][Ring1][#Branch2][C][=N][C][=C][Branch1][Branch1][C][=C][Ring1][=Branch1][Cl]"}, {"from": "gpt", "value": "The molecule is a novel hypnotic agent used in the treatment of insomnia. Its mechanism of action is based on modulating benzodiazepine receptors. In addition to zopiclone's benzodiazepine pharmacological properties it also has some barbiturate-like properties."}]