Using Nc1nc(Cl)cc(Cl)n1, Cc1cccc(-c2ccccc2C(O)C(F)(F)F)c1 to produce Cc1cccc(-c2ccccc2C(Oc2cc(Cl)nc(N)n2)C(F)(F)F)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.