[{"from": "human", "value": "Create a molecule that satisfies the conditions outlined in the description. The molecule is an acetylspermine. It is a conjugate base of a N(1),N(12)-diacetylsperminium(2+)."}, {"from": "gpt", "value": "[C][C][=Branch1][C][=O][N][C][C][C][N][C][C][C][C][N][C][C][C][N][C][=Branch1][C][=O][C]"}]