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 other words.
Options:
a CCCN(CCC)c1c([N+](=O)[O-])cc(C(C)=O)cc1[N+](=O)[O-]
b CC(=O)C=Cc1ccccc1
c O=C(Cc1ccc(O)c(O)c1)c1ccc(O)c(O)c1O
d CC(=O)OC(C)(C)CCc1ccccc1
e O=C(O)c1ccc2cc(O)ccc2c1
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}