[{"from": "human", "value": "Create a molecule with the structure as the one described. The molecule is a natural product found in Litsea akoensis, Litsea japonica, and Machilus wangchiana with data available."}, {"from": "gpt", "value": "[C][C@H1][C][=C][Branch1][Branch2][C][=Branch1][C][=O][O][Ring1][=Branch1][/C][=C][/C][C][C][C][C][C][C][C][C][#C]"}]