Based on the SMILES O=C1c2ccccc2-c2ccc3c4c(ccc1c24)-c1ccccc1C3=O, the molecule has no Ames mutagenic characteristics.
Based on the {SMILES__description} {#representation |!}{SMILES#}, the molecule has {mutagenic#no &NULL}{mutagenic__names__adjective} {#properties|characteristics|features!}.