[{"from": "human", "value": "Please give me some details about this molecule. [C][Branch1][Branch2][C][C][=N][C][C][C][N][C][N]"}, {"from": "gpt", "value": "The molecule is an imine. It is functionally related to a spermidine. It is a conjugate base of a N-[(E)-4-ammoniobutylidene]propane-1,3-diaminium."}]