Using O=C(Cl)c1cc(Cl)ncn1, FC(F)(F)CNCc1ccccc1 to produce O=C(c1cc(Cl)ncn1)N(Cc1ccccc1)CC(F)(F)F, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.