[{"from": "human", "value": "Generate a molecule based on the given description. The molecule is an acetylspermine carrying an acetyl group at position N(1). It has a role as a human metabolite. It is a member of acetamides and an acetylspermine. It is a conjugate base of a N(1)-acetylsperminium(3+)."}, {"from": "gpt", "value": "[C][C][=Branch1][C][=O][N][C][C][C][N][C][C][C][C][N][C][C][C][N]"}]