Using CCOC(=O)N(Cc1ccccc1)c1cc(OCCOC)nc(N)c1[N+](=O)[O-] to produce COCCOc1cc2c([nH]c(=O)n2Cc2ccccc2)c(N)n1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.