Using CN(C)C=O, Cc1ccc(-c2cc(CC(CBr)c3cccc(C)c3)nn2-c2ccc(C)cc2)cc1 to produce Cc1ccc(-c2cc(CC(CC#N)c3cccc(C)c3)nn2-c2ccc(C)cc2)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.