[{"from": "human", "value": "What can you tell me about this molecule? [C][C][Branch2][Ring1][Ring2][C][C@H1][C@H1][Ring1][Ring2][C][C][C@H1][Branch1][Branch2][C][C][C][C][Ring1][=Branch2][=C][C][O][C]"}, {"from": "gpt", "value": "The molecule is a natural product found in Betula pubescens var. litwinowii with data available."}]