[{"from": "human", "value": "Create a molecule that satisfies the conditions outlined in the description. The molecule is a natural product found in Halimeda with data available."}, {"from": "gpt", "value": "[C][C][=Branch2][Branch1][=Branch2][=C][C][C][/C][=Branch2][Ring2][P][=C][/C@H1][Branch2][Ring2][=Branch1][C][/C][=Branch2][Ring1][#C][=C][\\C][C@@H1][Branch2][Ring1][Ring1][/C][=Branch1][Branch2][=C][\\O][C][=Branch1][C][=O][C][/C][=C][/O][C][=Branch1][C][=O][C][O][C][=Branch1][C][=O][C][/C][=O][O][C][=Branch1][C][=O][C][/C][C]"}]