The molecule with the SMILES CN1C(=O)CC(=O)N(c2ccccc2)c2cc(Cl)ccc21 exhibits no mutagenic properties.
The molecule with the {SMILES__description} {#representation of |!}{SMILES#} {#shows|exhibits|displays!} {mutagenic#no &NULL}{mutagenic__names__adjective} properties.