Task: Please answer the multiple choice question.
Question: Which molecule has the highest LD50 in rats (oral exposure)?
Constraint: Even if you are not sure, you must pick either a, b, c, d, or e without using any additional words.
Options:
a: COC(=O)c1c(Cl)c(Cl)c(C(=O)OC)c(Cl)c1Cl
b: CCC(=O)OCc1ccccc1
c: NP(=S)(N1CC1)N1CC1
d: CCOP(=S)(OCC)Oc1ccc(C#N)cc1
e: CC1=CCC(C(C)C)=CC1
Answer: e
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}