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 additional words.
Options:
a.) COc1c2ccoc2cc2oc(C)cc(=O)c12
b.) COC(=O)C1=CCCN(C)C1
c.) FC(F)(F)c1ccccc1
d.) CCN(CCC#N)c1ccccc1
e.) CC(=O)Nc1c(I)cc(I)c(OCCOC(C)C(=O)O)c1I
Answer: b
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}