Task: Please answer the multiple choice question.
Question: Which molecule has the highest LD50 in rats (oral exposure)?
Constraint: Even if you are not sure, you must pick either a, b, or c without using any other words.
Options:
a O=S(=O)(O)c1c(Cl)c(Cl)c(Cl)c2[nH]c(C(F)(F)F)nc12
b CN1CCC(=C2c3ccccc3Sc3ccccc32)CC1
c O=C1C=CC(=NCl)C=C1
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}