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, c, d, or e without using any additional words.
Options:
a.) CCCCCCCCc1ccc(C)cc1O
b.) Cc1c([N+](=O)[O-])cc(N)cc1[N+](=O)[O-]
c.) CC(O)CNC(C)(C)Cc1ccc(Cl)cc1
d.) C=Cc1ccc(C)cc1
e.) O=C(O)Cc1ccccc1Oc1ccc(Cl)cc1Cl
Answer: e
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}