Using O=C([O-])[O-], COc1cc(C#N)ccc1C(O)c1ccc(Cl)c(Cl)c1 to produce COc1cc(C(N)=O)ccc1C(O)c1ccc(Cl)c(Cl)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.