Task: Please answer the multiple choice question.
Question: Which molecule has the highest rat LD50 (oral exposure)?
Constraint: Even if you are uncertain, you must pick either a, b, c, d, or e without using any additional words.
Options:
a: Cc1ccc2c(Cl)cc(Cl)c(O)c2n1
b: COc1ccc(OC)c(C(O)C(C)NC(C)C)c1
c: CC(=O)ON(C(=O)OC(C)C)c1ccccc1
d: O=C(O)COc1ccc(Cl)cc1Cl
e: CN=NNc1ccc([N+](=O)[O-])cc1
Answer: d
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}