Using COc1ccc(COc2cc(Cl)nc3c(Cl)c(OC)ccc23)cc1, FC(F)(F)c1cc[nH]n1 to produce COc1ccc(COc2cc(-n3ccc(C(F)(F)F)n3)nc3c(Cl)c(OC)ccc23)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.