Using Cc1ccc(C(=O)O)c(N)c1, O=C(O)Cc1c(-c2ccccc2)[nH]c2ccccc12 to produce Cc1ccc(C(=O)O)c(NC(=O)Cc2c(-c3ccccc3)[nH]c3ccccc23)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.