Using Cc1ncc(CNc2ccc(-c3ccccc3S(=O)(=O)NC(C)(C)C)cc2)c(CO)c1O to produce Cc1ncc(CNc2ccc(-c3ccccc3S(N)(=O)=O)cc2)c(CO)c1O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.