Using O=Cc1cnc2ccc(Cl)nc2c1Nc1cccc(C(F)(F)F)c1, CN to produce CNCc1cnc2ccc(Cl)nc2c1Nc1cccc(C(F)(F)F)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.