Task: Please answer the multiple choice question.
Question: Which molecule has the highest LD50 in rats (oral exposure)?
Constraint: Even if you are uncertain, you must pick either a, b, c, d, or e without using any other words.
Options:
a. O=C(Cc1ccccc1)NNCc1ccccc1
b. COc1ccc(C(=O)NCc2cccnc2)cc1C(=O)NCc1cccnc1
c. C=CCSP(=O)(NC(=O)CC)OC
d. Clc1nc(Cl)c(Cl)[nH]1
e. NC(N)=O
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}