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 other words.
Options:
a.) CC(C)Cc1cccc2c(CC(=O)O)cccc12
b.) CCCCCCCCCCOC(=O)c1ccccc1C(=O)OCCCC
c.) COCCOC(=O)C(=Cc1cccc([N+](=O)[O-])c1)C(C)=O
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}