Using COS(=O)(=O)c1ccc(C)cc1, CC(C)(C)OC(=O)N1CCC(CNC(=O)OCc2ccccc2)CC1 to produce CN(CC1CCN(C(=O)OC(C)(C)C)CC1)C(=O)OCc1ccccc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.