Using FC(F)(F)c1ccc(CBr)cc1, CCOC(=O)CN(CC(=O)OCC)c1ncc(C(C)=NO)o1 to produce CCOC(=O)CN(CC(=O)OCC)c1ncc(C(C)=NOCc2ccc(C(F)(F)F)cc2)o1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.