[{"from": "human", "value": "Write a possible SELFIES of given compound. ->  3-Methylcholanthrene\n"}, {"from": "gpt", "value": " [C][=C][C][Branch1][C][C][=C][C][=C][Ring1][#Branch1][C][=C][C][=C][C][=C][C][C][C][C][Branch1][=Branch1][C][Ring1][=Branch2][=Ring1][Branch1][=C][Ring1][N][C][=C][Ring1][S]\n"}]