Using CC(=O)c1ccc(-n2cc(C#N)c(Nc3ccc(S(C)(=O)=O)cc3)n2)cc1 to produce CC(O)c1ccc(-n2cc(C#N)c(Nc3ccc(S(C)(=O)=O)cc3)n2)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.