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