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 other words.
Options:
a: c1ccc(-c2ccc(C(c3ccccc3)n3ccnc3)cc2)cc1
b: COc1cccc(C=Nc2c(C)n(C)n(-c3ccccc3)c2=O)c1
c: CCCCc1c(C)[nH]c(NCC)nc1=O
d: Cc1cc(N)n(-c2ccccc2)n1
e: CCCCC(C=O)CC
Answer: e
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}