[{"from": "human", "value": "Synthesize a molecule that matches the given characteristics. The molecule is a natural product found in Ascochyta viciae with data available."}, {"from": "gpt", "value": "[C][C][=C][Branch2][Ring2][O][C][=Branch2][Ring2][=Branch1][=C][Branch1][=Branch2][C][=Branch1][Branch1][=C][Ring1][=Branch1][Cl][O][C][C][=C][Branch1][C][C][C][C][C][=C][Branch1][C][C][C][C][C][C][Branch1][Ring2][O][Ring1][Ring1][Branch1][C][C][C][O][C][=O]"}]