Using COC(=O)c1ccc(F)c(-n2c(C)cc(O)cc2=O)c1, Fc1ccc(CBr)c(F)c1 to produce COC(=O)c1ccc(F)c(-n2c(C)cc(OCc3ccc(F)cc3F)cc2=O)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.