Using Cc1cc(Br)ccc1N, CC1=CC(C)(C)Nc2c(C)cc(-c3cccc([N+](=O)[O-])c3)cc21 to produce Cc1cc(Br)cc2c1NCC=C2, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.