The SMILES O=[N+]([O-])c1ccc(ON=Cc2cc(Br)c(O)c(Br)c2)c([N+](=O)[O-])c1 represents a molecule with an rat LD50 (oral exposure) of 2.622.
The {SMILES__description} {SMILES#} {#represents|is from!} a molecule with an {acute_toxicity__names__noun} of {acute_toxicity#}.