[{"from": "human", "value": "Based on the given information, design a molecule that meets the desired specifications. The molecule is an amino-acid cation comprising psicosyllysine having a deprotonated carboxy group and both amino groups protonated; major species at pH 7.3. It is a conjugate acid of a psicosyllysine."}, {"from": "gpt", "value": "[C][Branch2][Ring1][#Branch1][C][C][NH2+1][C][C][=Branch1][C][=O][C@@H1][Branch1][O][C@@H1][Branch1][#Branch1][C@@H1][Branch1][Ring1][C][O][O][O][O][C][C@@H1][Branch1][=Branch1][C][=Branch1][C][=O][O-1][NH3+1]"}]