Using OB(O)c1cncnc1, CC(C)(C)OC(=O)N[C@@H]1CCN(c2ncc(C(=O)Nc3ccc(OC(F)(F)F)cc3)cc2Br)C1 to produce N[C@@H]1CCN(c2ncc(C(=O)Nc3ccc(OC(F)(F)F)cc3)cc2-c2cncnc2)C1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.