[{"from": "human", "value": "Generate a molecule based on the given description. The molecule is major species at pH 7.3"}, {"from": "gpt", "value": "[C][O][C][=C][Branch2][Ring1][Branch2][C][=C][C][=C][Ring1][=Branch1][O][C][=Branch1][=Branch1][=C][C][Ring1][=Branch1][=O][C][=C][C][=C][C][=C][Ring1][=Branch1][O-1]"}]