[{"from": "human", "value": "Could you give me a brief overview of this molecule? [C][Branch1][P][C][NH1+1][Branch1][#Branch1][C][C][=Branch1][C][=O][O-1][C][C][=Branch1][C][=O][O-1][N][C][C][=Branch1][C][=O][O-1]"}, {"from": "gpt", "value": "The molecule is a tricarboxylic acid anion obtained by removal of two protons from ethylenediaminetriacetic acid. It is a conjugate base of an ethylenediaminetriacetic acid."}]