Task: Please answer the multiple choice question.
Question: Which molecule has the highest acute oral toxicity (LD50 in rats)?
Constraint: Even if you are uncertain, you must pick either a, b, c, d, or e without using any additional words.
Options:
a.) COc1ccccc1OCC(O)COC(=O)c1cccnc1
b.) CN(C)C(CSC(N)=O)CSC(N)=O
c.) O=C1NC(CCCl)Oc2ccccc21
d.) Cc1cc(=O)n(-c2ccccc2)n1C
e.) CCOP(=S)(OCC)Oc1cnc2ccccc2n1
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}