[{"from": "human", "value": "Given SELFIES, write its compound. ->  [C][C][Branch1][C][C][C][C][C][C][Branch1][C][C][Branch1][Ring2][C][Ring1][=Branch1][C][Ring1][=Branch2][=O]\n"}, {"from": "gpt", "value": " D-fenchone\n"}]