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, or c without using any additional words.
Options:
a.) CSc1nc(N=[N+]=[N-])nc(NC(C)C)n1
b.) Nc1ccc(N(c2ccccc2)c2ccc(N)cc2)cc1
c.) CN(C)CCCn1c2c(c3ccccc31)CCCCCC2
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}