Using CCOC(=O)CBr, O=C(OCc1ccccc1)N1CCc2c(ccc(F)c2Br)C1c1cc(F)ccc1O to produce CCOC(=O)COc1ccc(F)cc1C1NCCc2cc(F)ccc21, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.