[{"from": "human", "value": "Based on the given information, design a molecule that meets the desired specifications. The molecule is an iduronate that is the conjugate base of aldehydo-L-iduronic acid, obtained by deprotonation of the carboxy group; major species at pH 7.3. It has a role as a human metabolite. It is a conjugate base of an aldehydo-L-iduronic acid."}, {"from": "gpt", "value": "[C][=Branch1][C][=O][C@@H1][Branch2][Ring1][C][C@H1][Branch1][=C][C@@H1][Branch1][#Branch2][C@H1][Branch1][=Branch1][C][=Branch1][C][=O][O-1][O][O][O][O]"}]