Using BrC1CCCC1, COC(=O)c1cc(C(F)(F)F)cc2c1cnn2C(C)=O to produce COC(=O)c1cc(C(F)(F)F)cc2c1cnn2C1CCCC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.