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 additional words.
Options:
[a] CCOCCOCCCO
[b] O=C(C(Cl)Cl)C(Cl)(Cl)Cl
[c] CCC(C)CC(C)C=C(C)C1OC(c2c(O)c(C3C(O)C(O)C(O)C3O)cn(C)c2=O)CC=C1C
[d] O=C1OC(OC(=O)c2cccnc2Nc2cccc(C(F)(F)F)c2)c2ccccc21
[e] CC(O)CC=O
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}