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.) ON=C1C=CC(=NO)C=C1
b.) CCOC(=O)c1ncn2c1CN(C)C(=O)c1cc(F)ccc1-2
c.) CC(C)OC(=O)C(O)(c1ccc(Br)cc1)c1ccc(Br)cc1
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}