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) Cc1cc(C(C)(C)C)c(O)c(C)c1CC1=NCCN1
b) CCOC(=O)C(F)(F)C(F)(F)C(F)(F)C(=O)OCC
c) CC(C#N)N1CCOCC1
d) COc1ccc2c3c1OC1C(O)CCC4C(C2)N(C)CCC341
e) O=C(O)C1C2CCC(O2)C1C(=O)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}