Task: Please answer the multiple choice question.
Question: Which molecule has the highest LD50 in rats (oral exposure)?
Constraint: Even if you are not sure, you must pick either a, b, c, d, or e without using any other words.
Options:
a: OCc1cccc(Oc2ccccc2)c1
b: CC1COC(=O)O1
c: COP(=S)(OC)Oc1ccc(C#N)cc1Cl
d: N#Cc1c(Cl)c(Cl)c(Cl)c(C#N)c1Cl
e: CNC(=O)Oc1ccc(C)c(C)c1
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}