Task: Please create a description for a molecule based on its representation.
SMILES: O=C1C=C/C(=C/C(=O)C(=O)[O-])O1
Constraint: Answer the question with full sentences.
Result: The molecule is a 2-oxo monocarboxylic acid anion that is the conjugate base of 2-oxo-3-(5-oxofuran-2-ylidene)propanoic acid, obtained by deprotonation of the carboxy group; major species at pH 7.3. It is a conjugate base of a 2-oxo-3-(5-oxofuran-2-ylidene)propanoic acid.
Task: Please create a {#text |!}description for a molecule{# based on its representation|!}.
{#Molecule |!}{SMILES__description}: {SMILES#}
Constraint: Answer the question with {#full|complete!} sentences.
Result: {description#}
(3Z)-2-oxo-3-(5-oxofuran-2-ylidene)propanoate
The molecule is a 2-oxo monocarboxylic acid anion that is the conjugate base of 2-oxo-3-(5-oxofuran-2-ylidene)propanoic acid, obtained by deprotonation of the carboxy group; major species at pH 7.3. It is a conjugate base of a 2-oxo-3-(5-oxofuran-2-ylidene)propanoic acid.