Using OC(c1ccc(NCc2ccc(C(F)(F)F)cc2)nc1)c1c[nH]c2ncccc12 to produce FC(F)(F)c1ccc(CNc2ccc(Cc3c[nH]c4ncccc34)cn2)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.