Using COc1cc2c(=O)c(=O)c(=O)c2cc1OC, NNC(=O)Nc1ccccc1 to produce COc1cc2c(=O)c(=NNC(=O)Nc3ccccc3)c(=O)c2cc1OC, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.