Using OC(c1ccc(NCc2ccc(Cl)cc2)nc1Cl)c1c[nH]c2ncccc12, O=C(O)C(F)(F)F to produce Oc1nc(NCc2ccc(Cl)cc2)ccc1Cc1c[nH]c2ncccc12, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.