[{"from": "human", "value": "Synthesize a molecule that matches the given characteristics. The molecule is a tetrachloromuconate(2-). It is a conjugate base of a tetrachloro-cis,cis-muconic acid."}, {"from": "gpt", "value": "[C][=Branch1][#Branch2][=C][Branch1][C][\\Cl][/C][=Branch1][C][=O][O-1][Branch1][C][\\Cl][/C][=Branch1][#Branch2][=C][Branch1][C][/Cl][\\C][=Branch1][C][=O][O-1][/Cl]"}]