Using CC(C)(C)OC(=O)N1CCOc2ccc(-c3cnc(N)c([N+](=O)[O-])c3)cc2C1 to produce CC(C)(C)OC(=O)N1CCOc2ccc(-c3cnc(N)c(N)c3)cc2C1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.