User: I'm looking for the SMILES of a molecule that can be described by:
The molecule is a butan-4-olide that is gamma-butyrolactone substituted by a butyl group at position 4. It has a role as a metabolite. It derives from a gamma-butyrolactone.
Assistant: This is a molecule that fits this description: CCCCC1COC(=O)C1
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-butyloxolan-2-one
The molecule is a butan-4-olide that is gamma-butyrolactone substituted by a butyl group at position 4. It has a role as a metabolite. It derives from a gamma-butyrolactone.