[{"from": "human", "value": "Provide a description of this molecule. [C][Branch1][=Branch1][C][=Branch1][C][=O][O][As][=As][C][C][=Branch1][C][=O][O]"}, {"from": "gpt", "value": "The molecule is an organoarsenic compound. It has a role as a xenobiotic. It is functionally related to an acetic acid."}]