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.) CCCCc1c(C)nc(NCC)nc1OS(=O)(=O)N(C)C
b.) N#CCCSCCC#N
c.) CCOP(=O)(OCC)SCC(=O)NC(C)(C)C#N
d.) CC(Br)CBr
e.) CCCCC(CC)(CO)CO
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}