Using O=C(CC1CCCCC1)Nc1c(Cl)ccc2nc(Cl)ccc12, O[C@@H]1CCCNC1 to produce O=C(CC1CCCCC1)Nc1c(Cl)ccc2nc(N3CCC[C@@H](O)C3)ccc12, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.