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, d, or e without using any other words.
Options:
a.) CC(C)(C)C(=O)CCc1ccc(Cl)cc1
b.) CC(C)C(=O)c1c(C(C)C)nn2ccccc12
c.) Cn1cnc([N+](=O)[O-])c1Sc1[nH]cnc2ncnc1-2
d.) c1ccc(Nc2ccc3ccccc3c2)cc1
e.) O=S1(=O)CCCCO1
Answer: a
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}