Using COC(=O)C(C)C(c1nc2cc(C#N)ccc2[nH]1)c1c(OC)cc(C)c2[nH]ccc12 to produce COc1cc(C)c2[nH]ccc2c1C(c1nc2cc(C#N)ccc2[nH]1)C(C)C(=O)O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.