[{"from": "human", "value": "Provide a brief overview of this molecule. [C][C][C@H1][Branch1][Branch1][N][C][Ring1][Branch1][C][=C][N][=C][C][=C][Ring1][=Branch1]"}, {"from": "gpt", "value": "The molecule is a pyridine alkaloid that is nicotine lacking the methyl group on the pyrrolidine nitrogen. It has a role as a metabolite, a nicotinic acetylcholine receptor agonist and a phytogenic insecticide. It is a pyridine alkaloid and a pyrrolidine alkaloid. It is a conjugate base of a (S)-nornicotine(1+). It is an enantiomer of a (+)-Nornicotine. It derives from a hydride of a nicotine."}]