Using CC(C)(C)OC(=O)N1CCO[C@H](CO)C1, Brc1cn[nH]c1 to produce CC(C)(C)OC(=O)N1CCO[C@H](Cn2cc(Br)cn2)C1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.