[{"from": "human", "value": "Create a molecule that satisfies the conditions outlined in the description. The molecule is major microspecies at pH 7.3"}, {"from": "gpt", "value": "[C][Branch2][Ring1][=Branch2][C@H1][C@H1][Branch2][Ring1][Ring1][C][=Branch1][C][=O][C][Branch1][Ring2][O][Ring1][=Branch1][Branch1][=Branch1][C][=Branch1][C][=O][O-1][O][O][O]"}]