Using Clc1cc(Nc2ccccc2)c2nc[nH]c2n1, CC(=O)OC[C@H]1O[C@@H](OC(C)=O)[C@H](OC(C)=O)[C@@H]1OC(C)=O to produce OC[C@H]1O[C@@H](n2cnc3c(Nc4ccccc4)cc(Cl)nc32)[C@H](O)[C@@H]1O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.