[{"from": "human", "value": "Synthesize a molecule that matches the given characteristics. The molecule is a 1,3,4,6-tetrachlorocyclohexa-1,4-diene."}, {"from": "gpt", "value": "[C][=C][Branch1][=C][C@@H1][Branch1][#Branch2][C][=C][Branch1][Branch1][C@@H1][Ring1][=Branch1][Cl][Cl][Cl][Cl]"}]