Using CN(C(=O)n1cc[n+](C)c1)C(C)(C)C, OCCNc1ccc2ncc(Br)n2n1 to produce CN(C(=O)OCCNc1ccc2ncc(Br)n2n1)C(C)(C)C, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.