Using CC(C)(C)OC(=O)NCC(=O)Nc1c(O)ccc(Br)c1Oc1ccccc1 to produce CC(C)(C)OC(=O)NCc1nc2c(Oc3ccccc3)c(Br)ccc2o1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.