[{"from": "human", "value": "Use the given information to create a molecule that fulfills the desired purpose. The molecule is the open-chain aldehydo-form of L-iduronic acid. It is a conjugate acid of an aldehydo-L-iduronate."}, {"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][O][O][O][O]"}]