Using CS(=O)(=O)Cl, CC(C)Oc1ccc(Oc2ncc(-c3nsc(C(C)O)n3)s2)cc1 to produce CC(C)Oc1ccc(Oc2ncc(-c3nsc(C(C)OS(C)(=O)=O)n3)s2)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.