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, or d without using any additional words.
Options:
a.) CC(C)c1cc([N+](=O)[O-])cc([N+](=O)[O-])c1O
b.) Oc1c(Br)c(Br)c(Br)c(Br)c1Br
c.) CCCC(=O)N(C)C(=O)Oc1cc(C)cc(C(C)C)c1
d.) O=C(Cl)OCc1ccccc1
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}