Using Cc1nn(-c2cc(O)c(Cl)cc2Cl)c(=O)n1C(F)F, CCOC(=O)C(F)Cl to produce CCOC(=O)C(F)Oc1cc(-n2nc(C)n(C(F)F)c2=O)c(Cl)cc1Cl, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.