Using NCCN, O=C(C(=O)c1cccc(C(F)(F)F)c1)c1ccncc1 to produce FC(F)(F)c1cccc(-c2nccnc2-c2ccncc2)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.