Using CC(=O)Nc1nc(C)c(-c2cc(S(=O)(=O)N3CC4OC(CO)C(C3)O4)sc2Br)s1 to produce CC(=O)Nc1nc(C)c(-c2csc(S(=O)(=O)N3C[C@@H]4O[C@@H](CO)[C@H](C3)O4)c2)s1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.