Task: Please create a description for a molecule.
Molecule SMILES: CC1C=CC(=O)O1
Constraint: Answer the question with complete sentences.
Result: The molecule is an angelica lactone and a butenolide. It derives from a but-2-en-4-olide. It is a tautomer of an alpha-angelica lactone.
Task: Please create a {#text |!}description for a molecule{# based on its representation|!}.
{#Molecule |!}{SMILES__description}: {SMILES#}
Constraint: Answer the question with {#full|complete!} sentences.
Result: {description#}
2-methyl-2H-furan-5-one
The molecule is an angelica lactone and a butenolide. It derives from a but-2-en-4-olide. It is a tautomer of an alpha-angelica lactone.