Using COC(=O)c1ccc(S(=O)(=O)Nc2ncc(Cl)s2)cc1C#N to produce N#Cc1cc(S(=O)(=O)Nc2ncc(Cl)s2)ccc1C(=O)O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.