Using Cc1sc2c(c1CC=O)c(=O)n(C)c(=O)n2C, NS(=O)(=O)O to produce Cc1sc2c(c1CC(=O)O)c(=O)n(C)c(=O)n2C, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.