Using CCOC(=O)Cc1nnc(-c2ccc(OC)cc2)n1-c1ccccc1 to produce COc1ccc(-c2nnc(CC(=O)O)n2-c2ccccc2)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.