Using CCN(CC)c1cccc2nc(Nc3ccc(Cl)cc3Cl)n(CC(F)(F)CO)c12 to produce CCN(CC)c1cccc2nc3n(c12)CC(F)(F)CN3c1ccc(Cl)cc1Cl, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.