Using CCSCC(O)(C(Nc1cccc2nc(C)ccc12)c1ccc(F)c(OC)c1F)C(F)(F)F to produce CCSCC(O)(C(Nc1cccc2nc(C)ccc12)c1ccc(F)c(O)c1F)C(F)(F)F, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.