Using COc1ccc(Cl)cc1N, O=C(O)Cc1cccc(C(F)(F)F)c1 to produce COc1ccc(Cl)cc1NC(=O)Cc1cccc(C(F)(F)F)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.