Using ClC(c1ccccc1)(c1ccccc1)c1ccccc1, O=C1CC[C@@H](CO)O1 to produce O=C1CC[C@@H](COC(c2ccccc2)(c2ccccc2)c2ccccc2)O1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.