Using Cn1cc(-c2cc(NC(=O)OC(C)(C)C)c([N+](=O)[O-])c(NCc3ccc4ncccc4c3)n2)cn1 to produce Cn1cc(-c2cc(NC(=O)OC(C)(C)C)c(N)c(NCc3ccc4ncccc4c3)n2)cn1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.