Task: Please answer the multiple choice question.
Question: Which molecule has the highest acute oral toxicity rat LD50?
Constraint: Even if you are not sure, you must pick either a, b, c, d, or e without using any additional words.
Options:
a.) CC1=CCC2C(C1)C2(C)C
b.) COc1cc2c3c(c4ccc(OC)c(OC)c4c2cc1OC)CN1CCCC1C3
c.) OCCF
d.) CC(C)CC(CC(C)C)OCCOCCO
e.) OCCOCCCl
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}