Using O=C(OCc1ccccc1)N1CCN(c2nc(OCC[C@H](O)CO)c3ccccc3n2)CC1 to produce OC[C@@H](O)CCOc1nc(N2CCNCC2)nc2ccccc12, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.