Using CCOC(=O)c1[nH]c2ccccc2c1NC(=O)c1ccc(OC)cc1 to produce COc1ccc(C(=O)Nc2c(C(=O)O)[nH]c3ccccc23)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.