Using CC(C)(C)OC(=O)N[C@H]1CCNC1, Fc1ccc(CBr)cc1 to produce CC(C)(C)OC(=O)N[C@H]1CCN(Cc2ccc(F)cc2)C1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.