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. NC1(C(=O)O)CCCC1
b. CN(C1CCCCC1)C1CCCCC1
c. CN(C)CCOc1ccc(C(=C(CCCl)c2ccccc2)c2ccccc2)cc1
d. c1ccc(Nc2cccc3ccccc23)cc1
e. CC(C)(C)NCC(O)COc1cccc2c1CC(O)C(O)C2
Answer: c
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}