Using COc1ccc(C=O)c2sc3c(NC(C)=O)cccc3c12, NS(=O)(=O)O to produce COc1ccc(C(=O)O)c2sc3c(NC(C)=O)cccc3c12, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.