Using CC(C)(C)O, CC1(C)Cc2cc3n(c2C1)CCN(c1cc(F)cc(Br)c1C=O)C3=O to produce CC1(C)Cc2cc3n(c2C1)CCN(c1cc(F)cc(Br)c1C(=O)O)C3=O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.