Using CC(C)(C)OC(=O)N1CCC(OS(=O)(=O)c2ccccc2)CC1, CCOC(=O)CC(=O)OCC to produce CCOC(=O)C(C(=O)OCC)C1CCN(C(=O)OC(C)(C)C)CC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.