Using CCCCCn1c(=S)[nH]c(=O)c2[nH]c(C(F)(F)F)nc21, COS(=O)(=O)OC to produce CCCCCn1c(SC)nc(=O)c2[nH]c(C(F)(F)F)nc21, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.