Using Fc1cc(Cl)ccc1Br, CCOC(=O)Cc1ccc(CC)c(O)c1 to produce CCOC(=O)Cc1ccc(CC)c(Oc2cc(Cl)ccc2Br)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.