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) CCCCCCCC(=O)Oc1ccc(C)cc1
b) CCCCNc1ccccc1
c) O=C(CF)NNc1ccccc1
d) CC(C)CCCCCOC(=O)C(C)Oc1cc(Cl)c(Cl)cc1Cl
e) COCCN(C(=O)CCl)c1c(C)cccc1C
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}