Task: Please answer the multiple choice question.
Question: Which molecule has the highest rat LD50 (oral exposure)?
Constraint: Even if you are not sure, you must pick either a, b, or c without using any additional words.
Options:
a.) CCCC=C(CC)C(=O)O
b.) CS(=O)(=O)OCC1OC1C1OC1COS(C)(=O)=O
c.) CCOC(=O)C1=CN(C)C2CCCC(C)N2C1=O
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}