Using CC(=O)SCc1nc(C)sc1SC(C)=O, O=S(=O)(CCI)c1ccccc1 to produce CC(=O)SCc1nc(C)sc1SCCS(=O)(=O)c1ccccc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.