Using CCCCCCCCOc1ccc(C2CN(Cn3nnc4ccccc43)CCO2)cc1, CCOC(=O)C(F)(F)Br to produce CCCCCCCCOc1ccc(C2CN(CC(F)(F)C(=O)OCC)CCO2)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.