[{"from": "human", "value": "Use the given information to create a molecule that fulfills the desired purpose. The molecule is conjugate acid of (R)-piperazine-2-carboxamide arising from selective protonation at the 4-position. It is a conjugate acid of a (R)-piperazine-2-carboxamide."}, {"from": "gpt", "value": "[C][C][N][C@H1][Branch1][Branch1][C][NH2+1][Ring1][=Branch1][C][=Branch1][C][=O][N]"}]