[{"from": "human", "value": "Could you give me a brief overview of this molecule? [C][NH1+1][C][C][C][C@@H1][Ring1][Branch1][C][=C][N][C][=Branch1][C][=O][C][=C][Ring1][#Branch1]"}, {"from": "gpt", "value": "The molecule is an ammonium ion that is the conjugate acid of (R)-6-hydroxynicotine, obtained by protonation of the pyrrolidine nitrogen. It is a conjugate acid of a (R)-6-hydroxynicotine. It is an enantiomer of a (S)-6-hydroxynicotinium(1+)."}]