Using COc1cc(C)c2[nH]ccc2c1C(C)(OC)c1nc2cc(C#N)ccc2o1 to produce COc1cc(C)c2[nH]ccc2c1C(C)(O)c1nc2cc(C#N)ccc2o1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.