Using CON, CCCC(=O)C(C#N)=C(NC(C)C(C)C)c1ccccc1Cl to produce CCCC(=NOC)C(C#N)=C(NC(C)C(C)C)c1ccccc1Cl, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.