Using N=C(N)c1ccc(NC(=O)C(C(=O)OCc2ccccc2)c2ccccc2)cc1 to produce N=C(N)c1ccc(NC(=O)C(C(=O)[O-])c2ccccc2)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.