Using O=C=Nc1ccc(C(F)(F)F)cc1, COC(=O)C1(C)CNN=C1c1ccc(Cl)cc1 to produce COC(=O)C1(C)CN(C(=O)Nc2ccc(C(F)(F)F)cc2)N=C1c1ccc(Cl)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.