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: CNC(=O)N(O)c1ccccc1
b: CNC(=O)Oc1cccc(C(C)C)c1
c: CCCCCCOC(=O)c1ccccc1
d: BrCc1cccc(Oc2ccccc2)c1
e: CCc1c(Cl)ccc(O)c1Cl
Answer: c
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}