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 other words.
Options:
[a] ClCC=CCCl
[b] NCCCOCCOCCOCCCN
[c] COc1cc(C(Cl)(Cl)Cl)cc(Cl)n1
[d] Cc1[nH]c(=O)[nH]c(=O)c1CO
[e] C1CN1c1nc(N2CC2)nc(N2CC2)n1
Answer: b
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}