Using O=S(Cl)Cl, CC(C)(C)c1csc(-c2cc3cc(CO)ccc3o2)n1 to produce CC(C)(C)c1csc(-c2cc3cc(CCl)ccc3o2)n1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.