[{"from": "human", "value": "Based on the given information, design a molecule that meets the desired specifications. The molecule is the conjugate base of N-(2,3-dihydroxybenzoyl)-L-serine; major species at pH 7.3. It is a conjugate base of a N-(2,3-dihydroxybenzoyl)-L-serine."}, {"from": "gpt", "value": "[C][=C][C][=Branch1][N][=C][Branch1][Branch2][C][=Branch1][Ring2][=C][Ring1][=Branch1][O][O][C][=Branch1][C][=O][N][C@@H1][Branch1][Ring1][C][O][C][=Branch1][C][=O][O-1]"}]