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