Using CCCCc1nn(-c2cc(C(=O)OC)ccc2Cl)c(=O)[nH]1, Fc1cc(Br)ccc1CBr to produce CCCCc1nn(-c2cc(C(=O)OC)ccc2Cl)c(=O)n1Cc1ccc(Br)cc1F, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.