[{"from": "human", "value": "Describe this molecule. [C][C@@H1][C][C][C][=Branch1][=C][=C][C@H1][Ring1][=Branch1][C][C][C][=Branch1][Ring2][=C][Ring1][=Branch1][C][C][Branch1][C][C][C]"}, {"from": "gpt", "value": "The molecule is a natural product found in Piper nigrum, Cinnamomum camphora, and other organisms with data available."}]