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. CCOC(=O)c1ccccc1O
b. O=C(c1cc(O)c(O)c(O)c1)c1ccc(O)c(O)c1O
c. N#Cc1cccc([N+](=O)[O-])c1C#N
d. C=CCc1ccc(OC)c(OC)c1
e. O=c1[nH]c2cc(Cl)ccc2o1
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}