Using Nc1ccc(Br)cc1, O=C(Cl)c1cc(C(F)(F)F)nn1-c1ccccc1Cl to produce O=C(Nc1ccc(Br)cc1)c1cc(C(F)(F)F)nn1-c1ccccc1Cl, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.