Using COCOc1c(C)cc(Oc2ccc([N+](=O)[O-])c(N(C)C(=O)OC(C)(C)C)c2)cc1C to produce COCOc1c(C)cc(Oc2ccc(N)c(N(C)C(=O)OC(C)(C)C)c2)cc1C, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.