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: CC1=CC2OC3C(O)C(O)C(C)(C2(CO)CC1O)C31CO1
b: C1CN1c1nc(N2CC2)nc(N2CC2)n1
c: CC(C)SSC(Cl)C(Cl)Cl
d: C=CC=O
e: O=C1C(Cl)=C(Cl)C(=O)C1=C(Cl)Cl
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}