Using CC(C)(C)OC(=O)NCCBr, O=Cc1ccc(O)cc1OCc1ccccc1Br to produce CC(C)(C)OC(=O)NCCOc1ccc(C=O)c(OCc2ccccc2Br)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.