[{"from": "human", "value": "Design a molecule that meets the criteria outlined in the description. The molecule is a dicarboxylic acid comprising 8-hydroxy-2-oxabicyclo[3.3.1]non-6-ene having carboxy groups placed at the 3- and 5-positions. It is a dicarboxylic acid and a bridged compound. It is a conjugate acid of an 8-hydroxy-2-oxabicyclo[3.3.1]non-6-ene-3,5-dicarboxylate."}, {"from": "gpt", "value": "[C][C][C][Branch2][Ring1][=Branch2][C][=C][C][Ring1][=Branch1][Branch1][=N][C][C][Branch1][Ring2][O][Ring1][Branch2][C][=Branch1][C][=O][O][C][=Branch1][C][=O][O][O]"}]