Using Oc1ccc(CCN[C@H]2CC[C@H](c3ccccc3)CC2)cc1, ClCCl to produce CN(CCc1ccc(O)cc1)[C@H]1CC[C@H](c2ccccc2)CC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.