[{"from": "human", "value": "Design a molecule that meets the criteria outlined in the description. The molecule is a polyazaalkane comprising undecane with three aza groups placed at the 1-, 6- and 11-positions. It is a triamine and a polyazaalkane. It is a conjugate base of a sym-homospermidinium(3+)."}, {"from": "gpt", "value": "[C][Branch1][=Branch2][C][C][N][C][C][C][C][N][C][N]"}]