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=CCn1c(=O)n(CC=C)c(=O)n(CC=C)c1=O
b: CCCCN=C(NCCCC)C(OCC)c1ccc(Cl)cc1
c: C#CC(C)(O)C(O)c1ccccc1
d: CCCCc1ccc(C(=O)c2ccccc2F)cc1
e: Cn1nc(-c2ccccc2)c2conc2c1=O
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}