Using CCOC(=O)c1nnn(Cc2ccc(OC)cc2)c1C(=O)c1cc(C)c(C)cc1[N+](=O)[O-] to produce COc1ccc(Cn2nnc(C(=O)O)c2C(=O)c2cc(C)c(C)cc2[N+](=O)[O-])cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.