Using CC1(C)OB(c2ccc(OC(F)F)cc2)OC1(C)C, O=C(O)c1ccc(Nc2ncc(Br)cn2)cc1 to produce O=C(O)c1ccc(Nc2ncc(-c3ccc(OC(F)F)cc3)cn2)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.