[{"from": "human", "value": "What can you tell me about this molecule? [C][O][C][=C][C][=Branch1][C][=O][O][C@H1][Branch1][Ring2][C][Ring1][#Branch1][/C][=C][/C][=C][C][=C][C][=C][Ring1][=Branch1]"}, {"from": "gpt", "value": "The molecule is a natural product found in Piper methysticum, Alnus sieboldiana, and Piper majusculum with data available."}]