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) C=C[Si](Cl)(Cl)Cl
b) COC(=NC#N)OC
c) O=C1c2ccc(Br)cc2C(=O)C1c1ccccc1
d) O=C1C=CC(=O)N1c1ccccc1
e) C=CCCCCCCCCC(=O)OCCCC
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}