Task: Please answer the multiple choice question.
Question: Which molecule has the highest acute oral toxicity rat LD50?
Constraint: Even if you are uncertain, you must pick either a, b, c, d, or e without using any additional words.
Options:
a.) C=CCOC1CC2CC1CC2OCC=C
b.) OCC(Br)CBr
c.) CCCCCC(C)=O
d.) CCCC(C)(C)O
e.) FC(F)(F)c1nc2c(Cl)c(Cl)c(Cl)c(Cl)c2[nH]1
Answer: c
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}