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] S=C(NNc1ccccc1)NNc1ccccc1
[b] CCSC(C)CC1CC(=O)C(C(CC)=NOCC=CCl)=C(O)C1
[c] CN1CCN(C2=Nc3cc(Cl)ccc3Nc3ccccc32)CC1
Answer: a
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}