Using CC(C)(C)OC(=O)N[C@@H]1CCNC1, O=Cc1cc(Br)ccc1F to produce CC(C)(C)OC(=O)N[C@@H]1CCN(c2ccc(Br)cc2C=O)C1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.