User: I'm searching for the SMILES of a molecule that can be described by:
The molecule is that isomer of butenoic acid having the double bond at position C-3. It is a conjugate acid of a but-3-enoate.
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-enoic acid
The molecule is that isomer of butenoic acid having the double bond at position C-3. It is a conjugate acid of a but-3-enoate.