User: I'm searching for the SMILES of a molecule that can be described as:
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.
Assistant: This is a molecule that fits this description: O=C([O-])CNCC[NH+](CC(=O)[O-])CC(=O)[O-]
User: I'm {#searching|looking!} for the {SMILES__description} of a molecule that can be described {#by|as!}:
{description#}
Assistant: This is a molecule that fits {#your|this!} description: {SMILES#}
O=C([O-])CNCC[NH+](CC(=O)[O-])CC(=O)[O-]
2-[2-[bis(carboxylatomethyl)azaniumyl]ethylamino]acetate
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.