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, d, or e without using any additional words.
Options:
a: CC(=O)C(C)(C)C
b: Cc1ccc(CCOC(=O)c2cccnc2)cc1
c: Cn1c([N+](=O)[O-])cnc1COC(N)=O
d: CC1OCCO1
e: C=C(CC(=O)c1ccc(-c2ccccc2Cl)cc1)C(=O)O
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}