Using CC(=O)C(C)(C)c1c(O)cccc1F, Fc1cccc2nc(Cl)cnc12 to produce CC(=O)C(C)(C)c1c(F)cccc1Oc1cnc2c(F)cccc2n1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.