[{"from": "human", "value": "Synthesize a molecule that matches the given characteristics. The molecule is a natural product found in Chloranthus sessilifolius with data available."}, {"from": "gpt", "value": "[C][C][Branch1][C][C][C@][Branch2][Ring2][Ring1][C][C][C@@H1][C][=Branch1][Ring2][=C][Ring1][=Branch1][C][=Branch1][C][=O][C][=C][C@][Ring1][Branch2][Branch1][=C][C][C][C@H1][Branch1][Branch2][C][Ring1][=Branch1][Branch1][C][C][C][O][C][O]"}]