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.) C=CCOC(=O)CCCCCCCC1OC1CCCCCCCC
b.) CC(C)(CO)C(O)C#N
c.) Cc1nn(C)c(Oc2ccccc2)c1C=NOCc1ccc(C(=O)OC(C)(C)C)cc1
d.) CCCC=C(C=NCCCCCCCCCCCCCCCCCCCCC)CC
e.) CCOC(=O)Nc1cccc(OC(=O)Nc2ccccc2)c1
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}