Using CCOC(=O)CN(C)S(=O)(=O)c1c(C(=O)OC)sc2ccccc12 to produce COC(=O)C1=C(O)c2sc3ccccc3c2S(=O)(=O)N1C, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.