User: I'm looking for the SMILES of a molecule that can be described by:
The molecule is a member of the class of coumarins that is coumarin in which the hydrogen at position 3 is replaced by an acetyl group.
Assistant: This is a molecule that fits your description: CC(=O)c1cc2ccccc2oc1=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#}
CC(=O)c1cc2ccccc2oc1=O
3-acetylchromen-2-one
The molecule is a member of the class of coumarins that is coumarin in which the hydrogen at position 3 is replaced by an acetyl group.