[{"from": "human", "value": "What can you tell me about this molecule? [C][C][C@H1][C][C@@H1][Ring1][Branch1][C@H1][C@@H1][Ring1][Branch1][C][=Branch1][C][=O][N][Branch1][Branch1][C][Ring1][=Branch1][=O][C][C][C][C][NH1+1][C][C][N][Branch1][Branch1][C][C][Ring1][=Branch1][C][=N][C][=C][C][=N][Ring1][=Branch1]"}, {"from": "gpt", "value": "The molecule is an ammonium ion resulting from the addition of a proton to the piperazine nitrogen which is attached to the alkyl chain. The major species at pH 7.3. It is a conjugate acid of a tandospirone."}]