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, d, or e without using any additional words.
Options:
[a] CCCCOCCCC
[b] CCCCC(CC)CNCC(C)(N)CN(C)CC(CC)CCCC
[c] CC(=O)OC1(C)CC(C)C(=O)C(C(O)CC2CC(=O)NC(=O)C2)C1
[d] CC(=O)NC(=O)N(C)N=O
[e] C=CC(=O)NC(OC)C(=O)OC
Answer: d
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}