[{"from": "human", "value": "Please give me some details about this molecule. [C][C@H1][Branch1][=Branch2][N][=C][Branch1][Ring2][N][Ring1][Branch1][N][C][C@@H1][Branch1][=Branch1][C][=Branch1][C][=O][O][N]"}, {"from": "gpt", "value": "The molecule is an L-alpha-amino acid that is L-alanine in which one of the methyl hydrogens is substituted by a 2-iminoimidazolidin-4-yl group. It is a member of imidazolidines, a L-histidine derivative and a non-proteinogenic L-alpha-amino acid. It is a conjugate base of a L-enduracididine(1+)."}]