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 additional words.
Options:
a) CCCC=CCO
b) ClCC(Br)CBr
c) C=COCCSCC
d) O=C1c2cccc(Br)c2C(=O)C1c1ccccc1
e) Cc1ccc(OC(=O)c2ccccc2)cc1
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}