Using ClC(c1ccccc1)(c1ccccc1)c1ccccc1, O=C(N[C@H]1CC[C@@H](O)C[C@H]1CO)OCc1ccccc1 to produce O=C(N[C@H]1CC[C@@H](O)C[C@H]1COC(c1ccccc1)(c1ccccc1)c1ccccc1)OCc1ccccc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.