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 other words.
Options:
a. CC(C)Cc1ccc(C(C)C(=O)OCc2ccccn2)cc1
b. CC(C)(c1ccc(O)cc1)c1ccc(O)cc1
c. CCC(=O)C(CC(C)N(C)C)(c1ccccc1)c1ccccc1
d. N=C(N)NN=C1C=CC(=NNC(N)=S)C=C1
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}