Using CC(C)(C)OC(=O)N[C@H]1CCC[C@@H]1C(=O)N1CCN(c2ccc(Cl)cc2)C(C)(C)C1 to produce CC1(C)CN(C(=O)[C@@H]2CCC[C@@H]2N)CCN1c1ccc(Cl)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.