[{"from": "human", "value": "Design a molecule that meets the criteria outlined in the description. The molecule is cation of N-hydroxyputrescine arising from protonation of the terminal amino groups; major microspecies at pH 7.3. It is functionally related to a 1,4-butanediammonium. It is a conjugate acid of a N-hydroxyputrescine."}, {"from": "gpt", "value": "[C][Branch1][Branch1][C][C][N][O][C][NH3+1]"}]