Using CC(C)(C)OC(=O)N1CCC(COc2ccc(Br)nc2)CC1, OB(O)c1ccc(Br)cc1F to produce CC(C)(C)OC(=O)N1CCC(COc2ccc(-c3ccc(Br)cc3F)nc2)CC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.