The molecule SMILES O=C(O)C1=NN(c2ccc(S(=O)(=O)O)cc2)C(=O)C1N=Nc1ccc(S(=O)(=O)O)cc1 is not Ames mutagenic.
The {#molecule |!}{SMILES__description} {SMILES#} is {mutagenic#not &NULL}{mutagenic__names__adjective}.