Task: Please create a SMILES based on the description below.
Description: 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.
Result: O=C1C=C/C(=C/C(=O)C(=O)[O-])O1
Task: Please {#give me|create|generate!} a {#molecule |!}{SMILES__description} based on the {#text |!}description{# below|!}.
Description: {description#}
Result: {SMILES#}
(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.