Using ClCc1ccccc1, OC[C@@H]1OC[C@](O)(CO)[C@H](O)[C@H]1O to produce O[C@]1(COCc2ccccc2)CO[C@@H](COCc2ccccc2)[C@H](OCc2ccccc2)[C@H]1OCc1ccccc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.