[{"from": "human", "value": "Based on the given information, design a molecule that meets the desired specifications. The molecule is a diastereoisometic mixture containing (2S,4R)- and (2S,4S)-hypoglycin B. A metabolite of hypoglycin A found in unripe ackee fruit. It has a role as a phytotoxin and a plant metabolite. It contains a (2S,4R)-hypoglycin B and a (2S,4S)-hypoglycin B."}, {"from": "gpt", "value": "[C][=C][C][C][Ring1][Ring1][C][C@@H1][Branch1][=Branch1][C][=Branch1][C][=O][O][N][C][=Branch1][C][=O][C][C][C@@H1][Branch1][=Branch1][C][=Branch1][C][=O][O][N]"}]