Using O=C(Nc1ccc(C(F)(F)F)cc1)N1CC(c2ccccc2)C(c2ccc(Cl)cc2)=N1 to produce O=C(Nc1ccc(C(F)(F)F)cc1)N1CC(c2ccccc2)C(c2ccc(Cl)cc2)N1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.