[{"from": "human", "value": "Write a possible SELFIES of given compound. ->  Cyclooctyl-5-spirobarbituric acid\n"}, {"from": "gpt", "value": " [O][=C][N][C][=Branch1][C][=O][C][Branch1][#Branch2][C][C][C][C][C][C][C][Ring1][Branch2][C][=Branch1][C][=O][N][Ring1][#C]\n"}]