Task: Please generate a molecule SMILES based on the text description below.
Description: The molecule is a 2-oxo monocarboxylic acid anion. It derives from a pent-4-enoate. It is a conjugate base of a 2-oxopent-4-enoic acid. It is a tautomer of a 2-hydroxypenta-2,4-dienoate.
Result: C=CCC(=O)C(=O)[O-]
Task: Please {#give me|create|generate!} a {#molecule |!}{SMILES__description} based on the {#text |!}description{# below|!}.
Description: {description#}
Result: {SMILES#}
2-oxopent-4-enoate
The molecule is a 2-oxo monocarboxylic acid anion. It derives from a pent-4-enoate. It is a conjugate base of a 2-oxopent-4-enoic acid. It is a tautomer of a 2-hydroxypenta-2,4-dienoate.