Task: Please answer the multiple choice question.
Question: Which molecule has the highest LD50 in rats (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.) CCC(C)CO
b.) FC(F)(F)c1cccc(C2CNCCO2)c1
c.) Cc1c2ccccc2c(C)c2c1ccc1ccccc12
d.) O=c1oc2ccccc2c(O)c1C1CCCc2ccccc21
e.) c1ccc(P(C2CCCCC2)C2CCCCC2)cc1
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}