Using C[C@@H]1CN(C(=O)OC(C)(C)C)C[C@H](C)N1CCCc1ccccc1 to produce C[C@@H]1CNC[C@H](C)N1CCCc1ccccc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.