Using CCCc1nc(CC)c(C(=O)OC)[nH]1, Fc1cc(Br)ccc1CBr to produce CCCc1nc(CC)c(C(=O)OC)n1Cc1ccc(Br)cc1F, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.