[{"from": "human", "value": "Describe this molecule. [C][C][Branch2][Ring1][Ring2][C][C][C@H1][Branch1][#Branch2][NH2+1][C][Ring1][=Branch1][C][=Branch1][C][=O][O-1][C][=Branch1][C][=O][O-1][C]"}, {"from": "gpt", "value": "The molecule is major microspecies at pH 7.3."}]