[{"from": "human", "value": "Please give me some details about this molecule. [C][C][Branch1][C][C][C][O][C][=C][C][=C][Branch1][Branch1][C][=C][Ring1][=Branch1][C][N][C][=Branch1][C][=O][N][Branch1][=N][C][C][=C][C][=C][Branch1][Branch1][C][=C][Ring1][=Branch1][F][C][C][C][NH1+1][Branch1][Branch1][C][C][Ring1][=Branch1][C]"}, {"from": "gpt", "value": "The molecule is a piperidinium ion obtained by protonation of the piperidine nitrogen of pimavanserin. It is a conjugate acid of a pimavanserin."}]