Using CC(=O)C#N, Cc1c(C)c2c(c(C)c1O)CCC(C)(C(=O)NCCO)O2 to produce CC1=C(C)C(=O)C(CCC(C)(O)C(=O)NCCO)=C(C)C1=O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.