Using O=c1[nH]c2cc(C(F)(F)F)ccc2cc1-c1csc(CS(=O)(=O)c2ccc(Cl)cc2)n1 to produce O=c1[nH]c2cc(C(F)(F)F)ccc2cc1-c1csc(CS(=O)(=O)c2ccccc2)n1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.