[{"from": "human", "value": "Create a molecule that satisfies the conditions outlined in the description. The molecule is a natural product found in Chloranthus serratus with data available."}, {"from": "gpt", "value": "[C][C][=C][C][C][C][=Branch1][C][=C][C][C][C][Ring1][Ring1][C][Ring1][#Branch1][Branch1][#C][C][C][Ring1][O][Branch1][Ring2][O][Ring1][Ring1][O][C][Ring1][#C][=O][C]"}]