[{"from": "human", "value": "Create a molecule with the structure as the one described. The molecule is major microspecies at pH 7.3 It is functionally related to a spermine(4+)."}, {"from": "gpt", "value": "[C][Branch1][Branch2][C][C][NH2+1][C][C][C][=O][C][NH2+1][C][C][C][NH3+1]"}]