Using O=C([O-])C(F)(F)F, Cn1c(C(F)(F)F)cc(=O)n(-c2c(F)cc(Br)c3c2OC(C)(C)O3)c1=O to produce Cn1c(C(F)(F)F)cc(=O)n(-c2c(F)cc(C(F)(F)F)c3c2OC(C)(C)O3)c1=O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.