Task: Please answer the multiple choice question.
Question: Which molecule has the highest acute oral toxicity rat LD50?
Constraint: Even if you are not sure, you must pick either a, b, c, or d without using any other words.
Options:
a) O=C1c2ccccc2C(=O)c2c(Nc3ccc(Oc4ccc(S(=O)(=O)O)cc4)cc3)ccc(Nc3ccc(Oc4ccc(S(=O)(=O)O)cc4)cc3)c21
b) CN1CCN(CCC(=O)NN=Cc2ccc([N+](=O)[O-])o2)CC1
c) CCOC1CCC=CO1
d) CC12CCC(CC1)C(C)(C)O2
Answer: b
Task: Please answer the multiple choice question.
Question: Which molecule has the highest {acute_toxicity__names__noun}?
Constraint: Even if you are {#uncertain|not sure!}, you must pick either {%multiple_choice_enum%2-5%aA1} without using any {#other|additional!} words.
Options:
{SMILES%acute_toxicity%}
Answer: {%multiple_choice_result}