What is the acute oral toxicity rat LD50 value for the SMILES NC(=O)C1(N2CCCCC2)CCN(CCCN2c3ccccc3CCc3ccccc32)CC1: 2.639
What is the {acute_toxicity__names__noun} value for the {SMILES__description} {SMILES#}: {acute_toxicity#}