Using C[C@H]1C(=O)N2[C@@H](CCN3CCC4(CC4)[C@H](O)C3)CO[C@]2(C)CN1Cc1ccccc1 to produce C[C@@H]1NC[C@@]2(C)OC[C@H](CCN3CCC4(CC4)[C@H](O)C3)N2C1=O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.