[{"from": "human", "value": "Could you give me a brief overview of this molecule? [C][C][Branch1][C][C][Branch1][Ring1][C][O][C@H1][Branch1][=C][C][=Branch1][C][=O][N][C][C][C][C][=Branch1][C][=O][O][O]"}, {"from": "gpt", "value": "The molecule is a central nervous system depressant. Hopantenic acid has a unique spectrum of pharmacological effects (nootropic, anticonvulsant, mild activating) in the absence of addiction, hyperstimulation or withdrawal syndrome."}]