Using ClC(c1ccccc1)(c1ccccc1)c1ccccc1, N[C@H]1CC[C@H](O)CC1 to produce O[C@H]1CC[C@H](NC(c2ccccc2)(c2ccccc2)c2ccccc2)CC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.