The SMILES COC(=O)NN=Cc1c[n+]([O-])c2ccccc2[n+]1[O-] represents a molecule with an acute oral toxicity rat LD50 of 2.489.
The {SMILES__description} {SMILES#} {#represents|is from!} a molecule with an {acute_toxicity__names__noun} of {acute_toxicity#}.