[{"from": "human", "value": "Based on the given information, design a molecule that meets the desired specifications. The molecule is the conjugate base of thiomorpholine-3-carboxylic acid. It is a member of thiomorpholines and a monocarboxylic acid anion. It is a conjugate base of a thiomorpholine-3-carboxylic acid and a thiomorpholine-3-carboxylic acid zwitterion."}, {"from": "gpt", "value": "[C][C][S][C][C][Branch1][Ring2][N][Ring1][=Branch1][C][=Branch1][C][=O][O-1]"}]