[{"from": "human", "value": "Design a molecule that meets the criteria outlined in the description. The molecule is a L-phenylalanine derivative. It is a conjugate acid of a N-hydroxy-L-phenylalaninate."}, {"from": "gpt", "value": "[C][=C][C][=C][Branch1][Branch1][C][=C][Ring1][=Branch1][C][C@@H1][Branch1][=Branch1][C][=Branch1][C][=O][O][N][O]"}]