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] Cc1n[nH]cc1Cl
[b] CCCCN(CCCC)CCCN
[c] CC(=CCCC1(C)C2CC3C(C2)C31C)CO
[d] COc1cc2c3c(c1OC)-c1ccccc1CC3N(C)CC2
[e] COP(=S)(OC)Oc1nc(Cl)c(Cl)cc1Cl
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}