User: I'm looking for the SMILES of a molecule that can be described as:
The molecule is the conjugate base of 4-oxobutanoic acid; major species at pH 7.3. It has a role as a human metabolite and a Saccharomyces cerevisiae metabolite. It is a 4-oxo monocarboxylic acid anion and an aldehydic acid anion. It is a conjugate base of a succinic semialdehyde.
Assistant: This is a molecule that fits your description: O=CCCC(=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#}
4-oxobutanoate
The molecule is the conjugate base of 4-oxobutanoic acid; major species at pH 7.3. It has a role as a human metabolite and a Saccharomyces cerevisiae metabolite. It is a 4-oxo monocarboxylic acid anion and an aldehydic acid anion. It is a conjugate base of a succinic semialdehyde.