Using CC=CCN(CC(=O)OCC)C(=O)Nc1ccc(C(CCC)=NO)cc1 to produce CC=CCN1CC(=O)N(c2ccc(C(CCC)=NO)cc2)C1=O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.