User: I'm searching for the SMILES of a molecule that can be described as:
The molecule is a butan-4-olide having a methylene group at the 3-position. It has a role as a gastrointestinal drug and an anti-ulcer drug.
Assistant: This is a molecule that fits this description: C=C1CCOC1=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#}
The molecule is a butan-4-olide having a methylene group at the 3-position. It has a role as a gastrointestinal drug and an anti-ulcer drug.