[{"from": "human", "value": "Generate a molecule based on the given description. The molecule is the dication of N(8)-acetylspermidine. It has a role as a human metabolite. It is a conjugate acid of a N(8)-acetylspermidine."}, {"from": "gpt", "value": "[C][C][=Branch1][C][=O][N][C][C][C][C][NH2+1][C][C][C][NH3+1]"}]