Using CS(=O)(=O)Cl, Cc1cc2c(F)c(Oc3ccnc(CO)c3)ccc2n1C(=O)Nc1ccc(F)c(C(F)(F)F)c1 to produce Cc1cc2c(F)c(Oc3ccnc(COS(C)(=O)=O)c3)ccc2n1C(=O)Nc1ccc(F)c(C(F)(F)F)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.