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