Task: Please answer the multiple choice question.
Question: Which molecule has the highest acute oral toxicity rat LD50?
Constraint: Even if you are not sure, you must pick either a, b, c, d, or e without using any additional words.
Options:
[a] CC(O)(c1ccc(Cl)cc1)c1ccc(Cl)cc1
[b] CNc1nc(Cl)nc(NC(C)C)n1
[c] Nc1nc(N)c2nc(-c3ccccc3)c(N)nc2n1
[d] C1CCCC1
[e] CCNc1nc(Cl)nc(NCC)n1
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}