[{"from": "human", "value": "Design a molecule that meets the criteria outlined in the description. The molecule is a 4,4'-pentane-2,3-diylbis(2-fluorophenol) that has (2R,3S)-stereoconfiguration. It is an enantiomer of a (2S,3R)-bifluranol."}, {"from": "gpt", "value": "[C][C][C@H1][Branch1][#C][C][=C][C][=Branch1][=Branch2][=C][Branch1][Branch1][C][=C][Ring1][=Branch1][O][F][C@@H1][Branch1][C][C][C][=C][C][=Branch1][=Branch2][=C][Branch1][Branch1][C][=C][Ring1][=Branch1][O][F]"}]