Using CC(N[C@@H]1C[C@H]1c1ccccc1)C1CCN(C(=O)OC(C)(C)C)CC1 to produce CC(N[C@@H]1C[C@H]1c1ccccc1)C1CCNCC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.