Using C[O-], Oc1cc(C(F)(F)F)nc(SCc2c(Cl)cncc2Cl)n1 to produce COc1cncc(Cl)c1CSc1nc(O)cc(C(F)(F)F)n1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.