Using Cn1nc(-c2ccc(Cl)c(Cl)n2)c(Cl)c1C(F)(F)F, COCCOC to produce COc1nc(-c2nn(C)c(C(F)(F)F)c2Cl)ccc1Cl, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.