The SMILES O=c1c2ccccc2c2ccc3c4c(ccc1c24)c1ccc2c(=O)c4ccccc4c4nn3c1c24 represents a molecule with an acute oral toxicity (LD50 in rats) of 1.507.
The {SMILES__description} {SMILES#} {#represents|is from!} a molecule with an {acute_toxicity__names__noun} of {acute_toxicity#}.