Using CCOC(=O)Cc1cc(Br)c(C(=O)c2ccc(Cl)cc2)n1C to produce Cn1c(CC(=O)O)cc(Br)c1C(=O)c1ccc(Cl)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.