Using OB(O)c1ccccc1C(F)(F)F, CC(C)(C)OC(=O)N1CCN(c2nccnc2Cl)CC1 to produce CC(C)(C)OC(=O)N1CCN(c2nccnc2-c2ccccc2C(F)(F)F)CC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.