Using C=CCN(C(=O)Nc1ccc(C(CC)=NO)cc1)C(C)C(=O)OCC to produce C=CCN1C(=O)N(c2ccc(C(CC)=NO)cc2)C(=O)C1C, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.