Using CC(=O)OCc1cc(O)cc(=O)n1-c1cccc(C(N)=O)c1, Fc1ccc(CBr)c(F)c1 to produce CC(=O)OCc1cc(OCc2ccc(F)cc2F)cc(=O)n1-c1cccc(C(N)=O)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.