Using CCC(=O)C(CC(=O)OC(C)(C)C)Nc1ccc(C2(O)CCN(C(=O)OC(C)(C)C)CC2)cc1 to produce CCC(=O)C(CC(=O)O)Nc1ccc(C2CCNCC2)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.