[{"from": "human", "value": "Use the given information to create a molecule that fulfills the desired purpose. The molecule is a dipeptide formed from glycine and L-methionine residues. It has a role as a metabolite. It is a tautomer of a Gly-Met zwitterion."}, {"from": "gpt", "value": "[C][S][C][C][C@@H1][Branch1][=Branch1][C][=Branch1][C][=O][O][N][C][=Branch1][C][=O][C][N]"}]