Using Cc1cc(C=NO)ccc1Br, C=C(c1cc(Cl)cc(Cl)c1)C(F)(F)F to produce Cc1cc(C2=NOC(c3cc(Cl)cc(Cl)c3)(C(F)(F)F)C2)ccc1Br, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.