Task: Please answer the multiple choice question.
Question: Which molecule has the highest LD50 in rats (oral exposure)?
Constraint: Even if you are not sure, you must pick either a, b, or c without using any other words.
Options:
a.) COc1cc(-c2ccc(N)c(OC)c2)ccc1N
b.) ClC1=C(Cl)C2(Cl)C3CC(Cl)CC3C1(Cl)C2(Cl)Cl
c.) C=C1CC(=O)N(c2cccc([N+](=O)[O-])c2)C1=O
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}