Using Clc1cc2nc(Cl)n([C@@H]3O[C@H](COCc4ccccc4)[C@@H](OCc4ccccc4)[C@@H]3OCc3ccccc3)c2cc1Cl to produce OC[C@H]1O[C@@H](n2c(Cl)nc3cc(Cl)c(Cl)cc32)[C@@H](O)[C@@H]1O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.