Using ClCc1ccc(Cl)cc1, COc1ccc(CO[C@@H]2[C@@H](N=[N+]=[N-])[C@H](SC)O[C@H](CO)[C@H]2OCc2ccccc2)cc1 to produce COc1ccc(CO[C@@H]2[C@@H](N=[N+]=[N-])[C@H](SC)O[C@H](COCc3ccc(Cl)cc3)[C@H]2OCc2ccccc2)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.