Task: Please answer the multiple choice question.
Question: Which molecule has the highest rat LD50 (oral exposure)?
Constraint: Even if you are not sure, you must pick either a, b, c, d, or e without using any additional words.
Options:
[a] CCNc1nc(Cl)nc(NC(C)CC)n1
[b] CSc1nc(NC(C)C)nc(NC(C)C)n1
[c] CCN(CC)C(=O)c1cc(=O)c2ccccc2o1
[d] C=CC1CC2C=CC1C2
[e] C1CCCC1
Answer: b
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}