Task: Please answer the multiple choice question.
Question: Which molecule has the highest rat LD50 (oral exposure)?
Constraint: Even if you are uncertain, you must pick either a, b, c, or d without using any additional words.
Options:
a: ClC(Cl)=C(Cl)C(Cl)=C(Cl)Cl
b: C=CCOc1ccccc1C(=O)NC1CCCCC1
c: C=CCC(C(=O)NC(N)=O)C(C)C
d: CC(C)COC(=O)C=CC(=O)OCC(C)C
Answer: d
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}