[{"from": "human", "value": "Provide a brief overview of this molecule. [C][C][C][C][Branch1][#C][/C][=C][/C][=C][/C][=C][/C][#C][C][#C][C][C][C][O][O]"}, {"from": "gpt", "value": "The molecule is a plant toxin found in several species, most notably water hemlock (Cicuta species). It is a cholinergic poison, causing death by disruption of the central nervous system. (L1232)"}]