[{"from": "human", "value": "Describe this molecule. [C][C][O][C][=Branch1][C][=O][C@@H1][C][C][=Branch1][C][=O][C@H1][Branch1][O][C@][Branch1][Ring2][O][Ring1][#Branch1][Branch1][C][C][O][O]"}, {"from": "gpt", "value": "The molecule is a natural product found in Alternaria kikuchiana and Alternaria gaisen with data available."}]