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, or d without using any additional words.
Options:
a.) Cc1ccc(Cl)cc1
b.) NC(=O)COc1ccc(Cl)cc1Cl
c.) Nc1c(Br)cc([N+](=O)[O-])cc1[N+](=O)[O-]
d.) CC(C)(C(N)=O)c1ccccc1
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}