Using O=C([O-])[O-], COC(=O)C(Nc1ccc(C#N)cc1)c1cc(C=O)cc(C=O)c1 to produce C=Cc1cc(C=O)cc(C(Nc2ccc(C#N)cc2)C(=O)OC)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.