Using Fc1cccc(F)c1-c1ccc2[nH]ccc2c1, O=C1CCC(=O)N1Br to produce Fc1cccc(F)c1-c1ccc2[nH]cc(Br)c2c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.