Using Nc1ccc(OCC(F)(F)C(F)F)cc1, O=C1c2ccccc2C(=O)N1CCBr to produce O=C1c2ccccc2C(=O)N1CCNc1ccc(OCC(F)(F)C(F)F)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.