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] OCC1CCc2cc(C3CCCCC3)ccc21
[b] CCNc1nc(NC(C)(C)C)nc(SC)n1
[c] Clc1ccc(C(c2ccc(Cl)cc2)C(Cl)Cl)cc1
[d] Oc1ccc(-c2ccccc2)cc1CN1CCCCC1
[e] Nc1ccc(Cc2ccc(N)c(Cl)c2)cc1Cl
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}