Using O=C([O-])O, COC(=O)c1cccc(C(C#N)C(=O)Cc2ccccc2)c1 to produce COC(=O)c1cccc(C2=C(N)OC(c3ccccc3)C2=O)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.