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