Task: Please answer the multiple choice question.
Question: Which molecule has the highest rat LD50 (oral exposure)?
Constraint: Even if you are uncertain, you must pick either a, b, c, d, or e without using any other words.
Options:
a CC(C)=CCCC(C)=CCCC(=CCCC(C)=CCO)CO
b Fc1ccc2[nH]c(C(F)(F)F)nc2c1
c CC1=CCC(C(C)C)C=C1
d OCC1OC(n2cnc3c(=S)[nH]cnc32)C(O)C1O
e CCCCC(CC)COC(C)=O
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}