[{"from": "human", "value": "Design a molecule that meets the criteria outlined in the description. The molecule is a 2-hydroxy fatty acid anion that is the conjugate base of 2-hydroxydecanoic acid, obtained by deprotonation of the carboxy group; major species at pH 7.3. It is a 2-hydroxy fatty acid anion and a medium-chain fatty acid anion. It is a conjugate base of a 2-hydroxydecanoic acid."}, {"from": "gpt", "value": "[C][C][C][C][C][C][C][C][C][Branch1][=Branch1][C][=Branch1][C][=O][O-1][O]"}]