Using C1CC(N2CCC(CC3CCNCC3)CC2)C1, CC(C)(C)OC(=O)c1ccc(Br)cn1 to produce CC(C)(C)OC(=O)c1ccc(N2CCC(CC3CCN(C4CCC4)CC3)CC2)cn1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.