The SMILES CNC1=Nc2ccc(Cl)cc2C(c2ccccc2)=[N+]([O-])C1 represents a molecule with an acute oral toxicity rat LD50 of 2.756.
The {SMILES__description} {SMILES#} {#represents|is from!} a molecule with an {acute_toxicity__names__noun} of {acute_toxicity#}.