Using COc1ccc(Br)cc1F, CC(C)(C)OC(=O)N1CCC(=O)CC1 to produce COc1ccc(C2(O)CCN(C(=O)OC(C)(C)C)CC2)cc1F, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.