[{"from": "human", "value": "Could you provide a description of this molecule? [C][C][=C][Branch2][Ring2][#C][C][=Branch2][Ring2][Branch1][=C][Branch2][Ring1][S][C@@][Branch1][Branch1][C][Ring1][=Branch1][=O][Branch1][C][C][C][/C][=C][Branch1][C][\\C][/C][C][/C][=C][Branch1][C][\\C][/C][C][C][=C][Branch1][C][C][C][C][C][=Branch1][C][=O][O][C][O-1]"}, {"from": "gpt", "value": "The molecule is major species at pH 7.3. Published in http://dx.doi.org/10.1016/j.tet.2013.07.029"}]