[{"from": "human", "value": "Provide a description of this molecule. [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]"}, {"from": "gpt", "value": "The molecule is the open-chain aldehydo-form of L-iduronic acid. It is a conjugate acid of an aldehydo-L-iduronate."}]