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 additional words.
Options:
a) O=S(=O)(O)c1ccccc1O
b) O=c1[nH]c2ccccc2o1
c) CCOP(=S)(CC)Sc1ccc(Cl)cc1
d) O=C=Nc1cccc(C(F)(F)F)c1
e) COC(Cc1ccccc1)OC
Answer: b
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}