Using O=C1CCC(c2ccccc2)CC1, CC(C)(C)OC(=O)Nc1ncccc1Br to produce CC(C)(C)OC(=O)Nc1ncccc1C1(O)CCC(c2ccccc2)CC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.