[{"from": "human", "value": "Create a molecule with the structure as the one described. The molecule is a dipeptide composed of L-alanine and L-serine joined by a peptide linkage. It has a role as a metabolite. It is functionally related to a L-alanine and a L-serine."}, {"from": "gpt", "value": "[C][C@@H1][Branch1][S][C][=Branch1][C][=O][N][C@@H1][Branch1][Ring1][C][O][C][=Branch1][C][=O][O][N]"}]