Using O=c1cc(-c2ccc(F)cc2)c2ccc(Br)cc2o1, O=C(O)C[C@@](O)(c1cnc(S)s1)C(F)(F)F to produce O=C(O)C[C@@](O)(c1cnc(Sc2ccc3c(-c4ccc(F)cc4)cc(=O)oc3c2)s1)C(F)(F)F, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.