Using O=C1NCCc2cc(OCc3cccc(F)c3)ccc21, CCOC(=O)C(C)Br to produce CCOC(=O)C(C)N1CCc2cc(OCc3cccc(F)c3)ccc2C1=O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.