Task: Please answer the multiple choice question.
Question: Which molecule has the highest acute oral toxicity rat LD50?
Constraint: Even if you are not sure, you must pick either a, b, or c without using any other words.
Options:
[a] N=C(N)NN=C1C=CC(=NNC(N)=S)C=C1
[b] CCN(CC)CCOc1ccc(C(=C(Cl)c2ccccc2)c2ccccc2)cc1
[c] O=C1CN=C(c2ccccn2)c2cc(Br)ccc2N1
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}