Task: Please answer the multiple choice question.
Question: Which molecule has the highest LD50 in rats (oral exposure)?
Constraint: Even if you are not sure, you must pick either a, b, c, or d without using any other words.
Options:
a.) O=C(NC(=O)c1c(F)cccc1F)Nc1ccc(Cl)cc1
b.) CC(=O)OCC(C)C
c.) CC(=O)Nc1ccc([N+](=O)[O-])c(Cl)n1
d.) CCOC(=O)CC[Si](C)(OCC)OCC
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}