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: CCOC(=O)c1ccc(N)cc1
b: COc1ccc(OC)c(C(O)C(C)NC(C)C)c1
c: CCCCNc1ccccc1
d: FC(F)(F)c1ccccc1
e: CCN(CC)C(C)CN1c2ccccc2Sc2ccccc21
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}