Using O=C1NC(=O)c2ccccc21, CC(COS(C)(=O)=O)OS(C)(=O)=O to produce CC(CN1C(=O)c2ccccc2C1=O)OS(C)(=O)=O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.