Using COC(CNC(=O)c1cc2cc([N+](=O)[O-])ccc2[nH]1)OC to produce O=C1NCC(O)n2c1cc1cc([N+](=O)[O-])ccc12, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.