Using COc1cc(N)ccn1, O=C(O)c1ccc(C(F)(F)F)cc1F to produce COc1cc(NC(=O)c2ccc(C(F)(F)F)cc2F)ccn1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.