Using Nc1c(Cl)ncn2c(=O)[nH]nc12, FC(F)(F)c1ccc(CCl)cn1 to produce Nc1c(Cl)ncn2c(=O)n(Cc3ccc(C(F)(F)F)nc3)nc12, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.