Task: Please answer the multiple choice question.
Question: Which molecule has the highest acute oral toxicity (LD50 in rats)?
Constraint: Even if you are not sure, you must pick either a, b, c, d, or e without using any other words.
Options:
a.) CCOC(=O)CC(=O)OC(Br)C(Cl)(Cl)Cl
b.) O=C(CCCCC(=O)OCC1CC=CCC1)OCC1CC=CCC1
c.) O=[N+]([O-])c1ccccc1C1OCC(CCl)O1
d.) O=S1(=O)CCCC1
e.) CC(=O)OCCC1CCCCC1
Answer: e
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}