Using COC(=O)c1nn(-c2cccc(C(F)(F)F)c2)c(=O)cc1OC, CNOC to produce COc1cc(=O)n(-c2cccc(C(F)(F)F)c2)nc1C(=O)N(C)OC, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.