[{"from": "human", "value": "Provide a description of this molecule. [C][C@][C][C@H1][Branch2][Ring2][Branch2][C@@H1][Branch2][Ring2][Ring1][C][C][Ring1][=Branch1][=C][C][C@@H1][C@@H1][Ring1][#Branch2][C][C][C][=C][O][C@@][Branch1][S][C@H1][Ring1][Branch1][C@@H1][Branch1][Branch1][C][O][Ring1][Branch1][O][C][Ring1][=C][=O][C][O][O]"}, {"from": "gpt", "value": "The molecule is a natural product found in Vincetoxicum glaucescens, Vincetoxicum atratum, and other organisms with data available."}]