Task: Please answer the multiple choice question.
Question: Which molecule has the highest acute oral toxicity (LD50 in rats)?
Constraint: Even if you are not sure, you must pick either a, b, c, d, or e without using any additional words.
Options:
a: NC(=O)OCCCc1ccccc1
b: CCOC(=O)C=Cc1ccccc1
c: CCOC(=O)Cc1ccccc1
d: CNC(=O)Oc1ccc(NC(C)=O)cc1
e: COC(=O)C(C)Oc1ccc(Oc2ccc(Cl)cc2Cl)cc1
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}