Task: Please answer the multiple choice question.
Question: Which molecule has the highest acute oral toxicity (LD50 in rats)?
Constraint: Even if you are not sure, you must pick either a, b, c, d, or e without using any other words.
Options:
a CCCCN(CCCC)C(=O)SCc1ccccc1
b CCP(=S)(OC)Sc1ccc(Cl)c(C)c1
c ClC(Cl)(Cl)c1cccc(C(Cl)(Cl)Cl)c1
d O=C(O)Cc1cccc2ccccc12
e CCP(=S)(OC)Sc1ccc(Cl)c(C)c1
Answer: b, 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}