[{"from": "human", "value": "Design a molecule that meets the criteria outlined in the description. The molecule is a dipeptide formed from L-lysine and L-glutamic acid residues. It has a role as a metabolite."}, {"from": "gpt", "value": "[C][Branch1][Ring2][C][C][N][C][C@@H1][Branch2][Ring1][Branch1][C][=Branch1][C][=O][N][C@@H1][Branch1][Branch2][C][C][C][=Branch1][C][=O][O][C][=Branch1][C][=O][O][N]"}]