[{"from": "human", "value": "Generate a molecule based on this description. The molecule is a dipeptide formed from glycine and L-phenylalanine residues. It has a role as a metabolite. It is an enantiomer of a Gly-Phe zwitterion."}, {"from": "gpt", "value": "[C][=C][C][=C][Branch1][Branch1][C][=C][Ring1][=Branch1][C][C@@H1][Branch1][=Branch1][C][=Branch1][C][=O][O][N][C][=Branch1][C][=O][C][N]"}]