[{"from": "human", "value": "Please give me some details about this molecule. [C][C@H1][Branch1][S][C][=Branch1][C][=O][N][C@H1][Branch1][Ring1][C][O][C][=Branch1][C][=O][O][N]"}, {"from": "gpt", "value": "The molecule is a dipeptide comprising D-serine with a D-alanyl residue attached to the alpha-nitrogen. It is a tautomer of a D-alanyl-D-serine zwitterion."}]