Using CO[C@@H]1C[C@H](Oc2nc(N3CCN(C(=O)OCc4ccccc4)CC3)nc3ccccc23)[C@@H](O)[C@H]1O to produce CO[C@@H]1C[C@H](Oc2nc(N3CCNCC3)nc3ccccc23)[C@@H](O)[C@H]1O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.