[{"from": "human", "value": "Describe this molecule. [C][Branch1][=Branch1][C][=Branch1][C][=O][O][Br]"}, {"from": "gpt", "value": "The molecule is an organobromide compound. It is an alkylating agent used primarily as a chemical intermediate in various organic syntheses.  Bromoacetic acid and its esters are widely used building blocks in organic synthesis, for example in the pharmaceutical chemistry.  Bromoacetic acid is also produced as a by-product through drinking water disinfection."}]