Using CC(C)(C)OC(=O)Nc1ccc(Cl)c(O[C@@H]2CCN(C(=O)OC(C)(C)C)C2)c1 to produce Nc1ccc(Cl)c(O[C@@H]2CCNC2)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.