Using C[C@H]1CCN(C(=O)OC(C)(C)C)CC[C@H]1NCc1ccccc1 to produce C[C@H]1CCN(C(=O)OC(C)(C)C)CC[C@H]1N, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.