Using CCOC(=O)C(C)(CC)N1C(=O)COc2ccc(O)cc21, CC(C)(C)OC(=O)N1CC(OS(C)(=O)=O)C1 to produce CCOC(=O)C(C)N1C(=O)COc2ccc(OC3CN(C(=O)OC(C)(C)C)C3)cc21, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.