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