Using [C-]#N, CC(=O)Oc1c(C)c(C)c2c(c1C)CCC(C)(O)O2 to produce CC(=O)Oc1c(C)c(C)c(O)c(CCC(C)(O)C#N)c1C, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.