Using O=C1CN(Cc2ccc(-c3cccc(CN4CCCCC4)n3)cc2)C(=O)N1, FC(F)(F)CCBr to produce O=C1CN(Cc2ccc(-c3cccc(CN4CCCCC4)n3)cc2)C(=O)N1CCC(F)(F)F, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.