Using O=C1CCC(N2CCC(Cc3ccc(Cl)cc3Cl)C2=O)CC1 to produce O=C1C(Cc2ccc(Cl)cc2Cl)CCN1[C@H]1CC[C@H](O)CC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.