Using BrC(Br)Br, Nc1nc(SCc2cccc(F)c2F)nc2[nH]c(=O)cnc12 to produce O=c1cnc2c(Br)nc(SCc3cccc(F)c3F)nc2[nH]1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.