[{"from": "human", "value": "Provide a brief overview of this molecule. [Br][Sb][Branch1][C][Br][Br]"}, {"from": "gpt", "value": "The molecule is a chemical compound of antimony and bromine. It can be added to polymers such as polyethylene as a fire retardant. Bromine is a halogen element with the symbol Br and atomic number 35. Diatomic bromine does not occur naturally, but bromine salts can be found in crustal rock. Antimony is a metallic element with the chemical symbol Sb and atomic number 51. Small amounts of antimony are found in the earth's crust. (L741, L625, L641)"}]