User: I'm looking for the SMILES of a molecule that can be described as:
The molecule is a monocarboxylic acid anion that is the conjugate base of 3-butynoic acid; major species at pH 7.3. It is a conjugate base of a 3-butynoic acid.
Assistant: This is a molecule that fits your description: C#CCC(=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#}
but-3-ynoate
The molecule is a monocarboxylic acid anion that is the conjugate base of 3-butynoic acid; major species at pH 7.3. It is a conjugate base of a 3-butynoic acid.