Task: Please answer the multiple choice question.
Question: Which molecule has the highest rat LD50 (oral exposure)?
Constraint: Even if you are not sure, you must pick either a, b, c, d, or e without using any other words.
Options:
a.) O=C1CCCCCO1
b.) CCCSP(=O)(OCC)Oc1ccc(Cl)cc1Cl
c.) CCCOC(=O)Cc1ccc(OCC(=O)N(CC)CC)c(OC)c1
d.) CN1C(C(=O)Nc2nccs2)=C(O)c2ccccc2S1(=O)=O
e.) Cc1c(N)cccc1Cl
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}