[{"from": "human", "value": "Provide a description of this molecule. [C][O][C][=C][C][=Branch2][Ring1][Branch1][=C][C][=C][Ring1][=Branch1][C][=C][Branch1][Branch1][C][Ring1][Branch1][=O][C][=C][C][=C][Ring1][Branch2][O][O]"}, {"from": "gpt", "value": "The molecule is a natural product found in Dendrobium plicatile, Dendrobium chrysotoxum, and Dendrobium densiflorum with data available."}]