Using CCOC(=O)Nc1cccc(-c2c(C#N)c3ccc(OC)cc3n2CC)c1 to produce CCOC(=O)Nc1cccc(-c2c(C#N)c3ccc(O)cc3n2CC)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.