Using COC1=NC(C)=C(C(=O)OC(C)C)C(c2cccc([N+](=O)[O-])c2)N1C(=O)NCc1ccccc1 to produce CC1=C(C(=O)OC(C)C)C(c2cccc([N+](=O)[O-])c2)N(C(=O)NCc2ccccc2)C(=O)N1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.