User: I'm searching for the SMILES of a molecule that can be described as:
The molecule is tricarboxylate anion of 4-carboxy-2-hydroxyhexa-2,4-dienedioic acid; major species at pH 7.3. It is a conjugate base of a 4-carboxy-2-hydroxyhexa-2,4-dienedioic acid.
Assistant: This is a molecule that fits your description: O=C(O)/C=C(/C=C(\[O-])C(=O)[O-])C(=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#}
(Z,4Z)-4-(carboxymethylidene)-2-oxidopent-2-enedioate
The molecule is tricarboxylate anion of 4-carboxy-2-hydroxyhexa-2,4-dienedioic acid; major species at pH 7.3. It is a conjugate base of a 4-carboxy-2-hydroxyhexa-2,4-dienedioic acid.