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 additional words.
Options:
a: CC(C)(O)CCc1ccccc1
b: CCOC(=O)c1ccccc1O
c: CCOC1CC(C)CCO1
d: Oc1c(Cl)c(Cl)c(Cl)c(Cl)c1Cl
e: Cc1ccc([N+](=O)[O-])cc1S(=O)(=O)Cl
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}