Using O=C(n1ccnc1)n1ccnc1, O=C(O)Cc1cccc([N+](=O)[O-])c1 to produce CN(C)C(=O)Cc1cccc([N+](=O)[O-])c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.