Using CC(C)(C)OC(=O)N1CCCC(O)C1, Fc1ccc(CBr)cc1F to produce CC(C)(C)OC(=O)N1CCCC(OCc2ccc(F)c(F)c2)C1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.