The molecule with the SMILES O=S(=O)(Nc1ccc(Cl)c(Cl)c1)c1cccc2cccnc12 shows no Ames mutagenic properties.
The molecule with the {SMILES__description} {#representation of |!}{SMILES#} {#shows|exhibits|displays!} {mutagenic#no &NULL}{mutagenic__names__adjective} properties.