Using CI, Cc1[nH]c(=O)c(Cl)c(Oc2cc(Cl)cc(C#N)c2)c1Cl to produce COc1nc(C)c(Cl)c(Oc2cc(Cl)cc(C#N)c2)c1Cl, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.