Using COc1cc(Cl)c(-c2nn(-c3ccc(C(F)(F)F)cc3)c(=O)[nH]2)cc1CNC(=O)C(F)(F)F to produce COc1cc(Cl)c(-c2nn(-c3ccc(C(F)(F)F)cc3)c(=O)[nH]2)cc1CN, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.