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] Cc1ccncc1C
[b] O=C(Cc1ccc(-c2ccccc2)cc1)Nc1ccccn1
[c] O=S1(=O)CC=CC1
[d] O=C(O)Cc1ccc(-c2ccccc2F)cc1
[e] CC(O)C(Cl)(Cl)Cl
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}