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 other words.
Options:
(a) CC(C)(C)C(=O)CCC1C(=O)N(c2ccccc2)N(c2ccccc2)C1=O
(b) CNC(=C[N+](=O)[O-])NCCSCc1ccc(CN(C)C)o1
(c) Cc1cc(SCc2ccc[n+]([O-])c2)nc(N)n1
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}