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, c, or d without using any other words.
Options:
a CCCCCCCCOC(CBr)c1ccc(C(C)(C)C)cc1
b COc1ccc(O)c(C(N)=O)c1
c COC(=O)c1ccc(N=NN(C)C)cc1
d CCOc1ccc(F)cc1C(CN(C)C)C(C)CC
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}