Using O=C(O)c1cn(-c2cccc([N+](=O)[O-])c2)cn1, CNC to produce CN(C)C(=O)c1cn(-c2cccc([N+](=O)[O-])c2)cn1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.