[{"from": "human", "value": "Provide a brief overview of this molecule. [C][Branch1][=Branch2][C][C][N][=C][Branch1][C][N][N][C][N][=C][Branch1][C][N][N]"}, {"from": "gpt", "value": "The molecule is a guanidine derivative consisting of butane having guanidino groups at the 1- and 4-positions. It is a conjugate base of a 1,4-diguanidiniumylbutane. It derives from a hydride of a butane."}]