The SMILES O=C(O)c1ccccc1C(=O)Nc1cccc2ccccc12 represents a molecule with an acute oral toxicity (LD50 in rats) of 1.551.
The {SMILES__description} {SMILES#} {#represents|is from!} a molecule with an {acute_toxicity__names__noun} of {acute_toxicity#}.