Using O=C(O)C(F)(F)C(F)Br, CC(C)Oc1ccc(-c2nc(-c3ccc4[nH]ccc4c3)no2)cc1Cl to produce CC(C)Oc1ccc(-c2nc(-c3ccc4c(ccn4C(F)C(F)(F)C(=O)O)c3)no2)cc1Cl, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.