[{"from": "human", "value": "Describe this molecule. [C][C][C][C][Branch2][Ring1][=Branch1][C][C@][Branch1][S][C][C@@H1][C@@H1][Branch1][Ring2][O][Ring1][Ring1][C][=Branch1][C][=O][O][Ring1][Branch2][O][C][O]"}, {"from": "gpt", "value": "The molecule is a natural product found in Monochaetia karstenii and Pestalotiopsis karstenii with data available."}]