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, or d without using any additional words.
Options:
a CCC(=O)c1ccc(N)cc1
b CC(C)(C)c1cc(C(C)(C)C)c(O)c(C(C)(C)C)c1
c CCC(C(=O)O)c1ccc(CC(C)C)cc1
d CN(C)c1ccc(SC#N)cc1
Answer: a
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}