Using CC(C)(C)OC(=O)N1CCC(c2cccc(O)n2)CC1, BrCC1CC1 to produce CC(C)(C)OC(=O)N1CCC(c2cccc(OCC3CC3)n2)CC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.