[{"from": "human", "value": "Provide a brief overview of this molecule. [C][Branch1][=Branch1][C][=Branch1][C][=O][O-1][Cl]"}, {"from": "gpt", "value": "The molecule is a haloacetate(1-) resulting from the deprotonation of the carboxy group of chloroacetic acid. It is functionally related to an acetate. It is a conjugate base of a chloroacetic acid."}]