Using CC(Br)C#N, CCOC(=O)c1ccc2cc(C(=O)OCC)[nH]c2n1 to produce CCOC(=O)c1ccc2cc(C(=O)OCC)n(C(C)C#N)c2n1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.