Using Cn1c(=O)n(CC(C)(C)C)c2ccc(-c3cc(CO)ccc3C#N)nc21 to produce Cn1c(=O)n(CC(C)(C)C)c2ccc(-c3cc(C=O)ccc3C#N)nc21, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.