Using CCOC(=O)C[C@H]1CCCN(CC(=O)c2ccc(C#N)cc2)C1 to produce CCOC(=O)C[C@H]1CCCN(CC(O)c2ccc(C#N)cc2)C1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.