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 other words.
Options:
[a] Nc1ncnc2c1ccn2C1OC(CO)C(O)C1O
[b] O=C(C=Cc1ccccc1O)OC(=O)C=Cc1ccccc1O
[c] CCOC(=O)C1CCc2cc(C3CCCCC3)ccc21
[d] C1CC2OC2CC1C1CO1
[e] CCc1nccnc1C
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}