[{"from": "human", "value": "Provide a brief overview of this molecule. [C][C][C][NH1+1][Branch1][Branch1][C][C][Ring1][=Branch1][C][C][=C][C][=Branch1][=Branch1][=N][C][=C][Ring1][=Branch1][O][C][/C][=C][\\C][N][C][=C][Branch1][=Branch2][C][=Branch1][C][=O][C][Ring1][Branch1][=O][N]"}, {"from": "gpt", "value": "The molecule is a piperidinium ion resulting from the protonation of the piperidine nitrogen of pibutidine; major species at pH 7.3. It is a conjugate acid of a pibutidine."}]