[{"from": "human", "value": "Given compound, write its potential SELFIES. ->  Hexachloro-1,3-butadiene\n"}, {"from": "gpt", "value": " [Cl][C][=Branch1][=C][=C][Branch1][C][Cl][C][=Branch1][=Branch1][=C][Branch1][C][Cl][Cl][Cl][Cl]\n"}]