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 additional words.
Options:
(a) Cc1ccc(N)c(C)c1
(b) N#Cc1cccc([N+](=O)[O-])c1C#N
(c) O=[N+]([O-])c1ccccc1
(d) CC(=O)OCCN(CCOC(C)=O)c1ccccc1
(e) CC(=Cc1ccccc1)CC(=O)N(CCO)CCO
Answer: a
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}