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.) CCC(c1ccccc1)c1c(O)c2ccccc2oc1=O
b.) CNC(=O)N1C(=O)CN=C(c2ccccc2)c2cc([N+](=O)[O-])ccc21
c.) CC(O)CN(C)C
Answer: c
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}