[{"from": "human", "value": "Provide a description of this molecule. [C][C][=Branch1][C][=O][C][C@@H1][Branch1][=Branch2][C][=C][C][=C][C][=C][Ring1][=Branch1][C][=C][Branch1][=C][C][=C][C][=C][C][=C][Ring1][=Branch1][O][C][Ring1][#Branch2][=O][O]"}, {"from": "gpt", "value": "The molecule is a 4-hydroxy-3-(3-oxo-1-phenylbutyl)-2H-1-benzopyran-2-one that has (S)-configuration (the racemate is warfarin, an anticoagulant drug and rodenticide). It is a conjugate acid of a (S)-warfarin(1-). It is an enantiomer of a (R)-warfarin."}]