Using OB(O)c1ccc(F)c(-c2cccnc2)c1F, FC(F)(F)c1cnn2c(Br)cnc2n1 to produce Fc1ccc(-c2cnc3nc(C(F)(F)F)cnn23)c(F)c1-c1cccnc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.