[{"from": "human", "value": "Create a molecule with the structure as the one described. The molecule is a natural product found in Nodularia spumigena with data available."}, {"from": "gpt", "value": "[C][O][C][=C][Branch1][#C][C][C][Branch1][=Branch1][C][C][Ring1][=Branch1][=O][Branch1][Ring1][C][O][O][N][C][C][C][C][C][Branch1][=Branch1][C][=Branch1][C][=O][O][N]"}]