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.) Cc1ccc(N=CN(C)C=Nc2ccc(C)cc2C)c(C)c1
b.) CC1=CCC(=C(C)C)CC1
c.) COc1ccc(C(Oc2ccccc2)C2=NCCCN2)cc1F
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}