Using CN, Cn1nnc2c(C#N)nc(-c3ccc(CCC=O)c(C(F)(F)F)c3)cc21 to produce CNCCCc1ccc(-c2cc3c(nnn3C)c(C#N)n2)cc1C(F)(F)F, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.