Using Nc1c[nH]c2ncc(Br)c(F)c12, O=C(O)c1ccc(C(F)(F)F)cn1 to produce O=C(Nc1c[nH]c2ncc(Br)c(F)c12)c1ccc(C(F)(F)F)cn1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.