Using [O-][I+3]([O-])([O-])[O-], C#CCOc1cc(-n2nc(CCC=C)[nH]c2=O)c(Cl)cc1Cl to produce C#CCOc1cc(-n2nc(CCC=O)[nH]c2=O)c(Cl)cc1Cl, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.