[{"from": "human", "value": "Provide a brief overview of this molecule. [C][=C][Branch1][=N][C][=Branch1][C][=O][N][C][=Branch1][C][=O][N][Ring1][Branch2][Br]"}, {"from": "gpt", "value": "The molecule is a pyrimidine having keto groups at the 2- and 4-positions and a bromo group at the 5-position. Used mainly as an experimental mutagen. It has a role as a mutagen. It is a member of pyrimidines and a nucleobase analogue. It is functionally related to a uracil."}]