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] CCCCCCOC(=O)c1ccccc1
[b] CC1(C)CC(NCCCCCCNC2CC(C)(C)NC(C)(C)C2)CC(C)(C)N1
[c] Cc1ccccc1
[d] CNC(=O)Oc1ccccc1Cl
[e] N#Cc1cc(I)c(O)c(I)c1
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}