Task: Please answer the multiple choice question.
Question: Which molecule has the highest acute oral toxicity rat LD50?
Constraint: Even if you are not sure, you must pick either a, b, c, d, or e without using any other words.
Options:
a.) Cc1onc2c(=O)n(C)nc(-c3ccccc3)c12
b.) COP(=S)(OC)SCn1nc(Br)ccc1=O
c.) COC(=O)Cc1ccccc1
d.) Cc1cc(N)ccc1N
e.) CCOC(=O)c1ccc(N)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}