[{"from": "human", "value": "Describe this molecule. [C][Branch2][Ring1][=Branch2][C][C@@H1][Branch1][=Branch1][C][=Branch1][C][=O][O][N][C][=Branch1][C][=O][C][C@@H1][Branch1][=Branch1][C][=Branch1][C][=O][O][N][C][N][=C][Branch1][C][N][N]"}, {"from": "gpt", "value": "The molecule is a dipeptide consisting of an L-aspartyl residue attached to L-arginine via the beta-carboxy group. It is a tautomer of a beta-Asp-Arg zwitterion."}]