Task: Please answer the multiple choice question.
Question: Which molecule has the highest LD50 in rats (oral exposure)?
Constraint: Even if you are uncertain, you must pick either a, b, c, d, or e without using any additional words.
Options:
[a] CCC(C)(C)OO
[b] CCC(CC)CO[Si](OCC(CC)CC)(OCC(CC)CC)OCC(CC)CC
[c] O=C(O)C1C(=CCO)OC2CC(=O)N21
[d] CCCCCCCCCCCCO
[e] O=NN(CCF)C(=O)NC1CCCCC1
Answer: e
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}