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