The SMILES O=C1CN(N=Cc2ccc([N+](=O)[O-])o2)C(=O)N1 represents a molecule with an LD50 in rats (oral exposure) of 2.596.
The {SMILES__description} {SMILES#} {#represents|is from!} a molecule with an {acute_toxicity__names__noun} of {acute_toxicity#}.