[{"from": "human", "value": "Please give me some details about this molecule. [C][Branch1][=Branch1][C][=Branch1][C][=O][Cl][Branch1][C][Cl][Cl]"}, {"from": "gpt", "value": "The molecule is the acyl chloride obtained by displacement of the hydroxy group of dichloroacetic acid by chloride. It has a role as a hapten. It is functionally related to a dichloroacetic acid."}]