Using CC(=O)OC(C)=O, O=S(=O)(c1ccccc1)N1CCc2ccccc21 to produce CC(=O)c1ccc2c(c1)CCN2S(=O)(=O)c1ccccc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.