[{"from": "human", "value": "Generate a molecule based on this description. The molecule is a natural product found in Dendrobium amplum, Bulbophyllum protractum, and Bletilla striata with data available."}, {"from": "gpt", "value": "[C][O][C][=C][C][=C][C][=Branch1][Ring2][=C][Ring1][=Branch1][C][C][C][=C][C][=Branch1][#Branch2][=C][C][=Branch1][Ring2][=C][Ring1][=Branch1][O][C][O][C]"}]