What is the acute oral toxicity rat LD50 value for the SMILES O=C(Nc1ccc(Nc2ccc(NC(=O)c3ccccc3)c3c2C(=O)c2ccccc2C3=O)c2c1C(=O)c1ccccc1C2=O)c1ccccc1: 1.539
What is the {acute_toxicity__names__noun} value for the {SMILES__description} {SMILES#}: {acute_toxicity#}