Using CCOC(=O)c1nn(-c2ccc(OC)cc2)c(=O)c(C#N)c1C to produce COc1ccc(-n2nc(C(=O)O)c(C)c(C#N)c2=O)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.