[{"from": "human", "value": "Please give me some details about this molecule. [C][C@@H1][C][C][C@H1][Branch1][=C][C@@H1][C@H1][Ring1][=Branch1][C][C][C][=Branch1][Ring2][=C][Ring1][=Branch1][C][C][=Branch1][C][=C][C][=Branch1][C][=O][O-1]"}, {"from": "gpt", "value": "The molecule is a monocarboxylic acid anion resulting from the removal of a proton from the carboxy group of (+)-artemisinic acid. The major species at pH 7.3. It is a conjugate base of a (+)-artemisinic acid."}]