Using CCOC(=O)CC(C(C)=O)C(=O)c1ccccc1, NNc1ccccc1 to produce Cc1nn(-c2ccccc2)c(-c2ccccc2)c1CC(=O)O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.