Using CC(=O)OC(C)=O, Nc1ccc(-c2nc(C(=O)O)c3ccccc3n2)cc1 to produce CC(=O)Nc1ccc(-c2nc(C(=O)O)c3ccccc3n2)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.