The SMILES O=c1c2ccccc2c2ccc3c4c(ccc1c24)c1ccc2c(=O)c4ccccc4c4nn3c1c24 has an acute oral toxicity rat LD50 of 1.507.
The {#molecule |!}{SMILES__description} {SMILES#} has an {acute_toxicity__names__noun} of {acute_toxicity#}.