Using CCOC(=O)CBr, FC(F)(F)c1cnc(-c2ccc3[nH]nnc3c2)c(Cl)c1 to produce CCOC(=O)Cn1nnc2cc(-c3ncc(C(F)(F)F)cc3Cl)ccc21, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.