Task: Please answer the multiple choice question.
Question: Which molecule has the highest LD50 in rats (oral exposure)?
Constraint: Even if you are uncertain, you must pick either a, b, c, d, or e without using any additional words.
Options:
(a) CON1CCC(=Cc2cc(C(C)(C)C)c(O)c(C(C)(C)C)c2)C1=O
(b) CCCCNC1CCCCC1
(c) N#CC(Cl)(Cl)C#N
(d) CN(C)C(=O)Cl
(e) O=S1(=O)CC(Cl)C(Cl)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}