Using Cc1cc(O)ccc1C=O, CC(C)(C)OC(=O)N1CC(OS(C)(=O)=O)C1 to produce Cc1cc(OC2CN(C(=O)OC(C)(C)C)C2)ccc1C=O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.