Using CN(C)C=O, Cc1noc(C)c1-c1cc(Br)c2[nH]c(=O)n3c2c1OCC3c1ccccc1 to produce Cc1noc(C)c1-c1cc(C#N)c2[nH]c(=O)n3c2c1OCC3c1ccccc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.