Using CN(C)Cc1cc([N+](=O)[O-])cc2c(Nc3cccc(Br)c3)c(C#N)cnc12 to produce CN(C)Cc1cc(N)cc2c(Nc3cccc(Br)c3)c(C#N)cnc12, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.