Using NCc1ccc(Br)cc1F, CCOC(=O)C(C(=O)OCC)n1cccc1C(=O)C(Cl)(Cl)Cl to produce CCOC(=O)C1C(=O)N(Cc2ccc(Br)cc2F)C(=O)c2cccn21, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.