[{"from": "human", "value": "Describe this molecule. [C][C][S][C][C@H1][Branch1][#Branch2][NH2+1][C@@H1][Ring1][#Branch1][C][=Branch1][C][=O][O-1][C][=Branch1][C][=O][O-1]"}, {"from": "gpt", "value": "The molecule is a dicarboxylic acid anion."}]