Using CCC(=O)Oc1ccc(N)cc1C(=O)O, Fc1c(F)c(C(F)(F)F)c(F)c(F)c1CBr to produce CCC(=O)Oc1ccc(NCc2c(F)c(F)c(C(F)(F)F)c(F)c2F)cc1C(=O)O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.