Using CCOCCNCCCC(=O)OC(C)(C)C, O=Cc1cc(Br)ccc1F to produce CCOCCN(CCCC(=O)OC(C)(C)C)c1ccc(Br)cc1C=O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.