Using CC1(C)CNC(CN2CCCC2)c2ccccc21, O=C(Cl)Cc1ccc(C(F)(F)F)cc1 to produce CC1(C)CNC(CN2CCCC2)(C(=O)Cc2ccc(C(F)(F)F)cc2)c2ccccc21, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.