Using O=C(O)c1ccc([N+](=O)[O-])c(O)c1, COC1CNC1 to produce COC1CN(C(=O)c2ccc([N+](=O)[O-])c(O)c2)C1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.