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: CC(=O)Nc1ccc(C)c(NS(=O)(=O)C(F)(F)F)c1
b: CCC(=O)OCCc1ccccc1
c: BrC=Cc1ccccc1
d: N#Cc1cc(I)c(O)c(I)c1
e: COc1ccc2cc(C(C)C(=O)O)ccc2c1
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}