Using CC(C)(C)OC(=O)N1CC[C@@H](OC(=O)[C@](O)(c2ccccc2)C2CCCC2)C1 to produce O=C(O[C@@H]1CCNC1)[C@](O)(c1ccccc1)C1CCCC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.