Task: Please answer the multiple choice question.
Question: Which molecule has the highest rat LD50 (oral exposure)?
Constraint: Even if you are uncertain, you must pick either a, b, c, d, or e without using any additional words.
Options:
a. COP(=S)(OC)SC1CCSc2ccc(Cl)cc21
b. Cc1cc(-c2ccccc2)[nH]n1
c. O=C(O)C1CCCCC1(O)c1ccccc1
d. CCc1nccnc1C
e. O=C(C=Cc1ccccc1)OCc1ccccc1
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}