Task: Please answer the multiple choice question.
Question: Which molecule has the highest acute oral toxicity rat LD50?
Constraint: Even if you are uncertain, you must pick either a, b, c, d, or e without using any additional words.
Options:
a: CC(C)OCC1CO1
b: CC(=O)C=O
c: O=C(OCC1C=CCCC1)C1CC=CCC1
d: CCOc1ccccc1N1CCN(CCCCc2ccc3c(c2)CCC(=O)N3)CC1
e: C#CC(O)CCC
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}