Using N#CBr, CCOC(=O)c1ccc(N(CCOc2cccc3ccccc23)C(=O)C(F)(F)F)cc1 to produce CCOC(=O)c1ccc(N(CCOc2ccc(C#N)c3ccccc23)C(=O)C(F)(F)F)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.