Task: Please answer the multiple choice question.
Question: Which molecule has the highest acute oral toxicity (LD50 in rats)?
Constraint: Even if you are uncertain, you must pick either a, b, c, or d without using any additional words.
Options:
a) CC1(C)COC1=O
b) ClC(Cl)C(Cl)Cl
c) CC(C)Nc1nc(Cl)nc(NC2CC2)n1
d) COC(=O)C1C2CC3c4[nH]c5cc(OC)ccc5c4CCN3CC2CC(O)C1OC
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}