Using COC(=O)CC(=O)OC, COc1cccc(-c2c(C)sc(N)c2C#N)c1 to produce COC(=O)c1c(N)c2c(-c3cccc(OC)c3)c(C)sc2[nH]c1=O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.