Task: Please answer the multiple choice question.
Question: Which molecule has the highest LD50 in rats (oral exposure)?
Constraint: Even if you are not sure, you must pick either a, b, c, d, or e without using any additional words.
Options:
(a) NC(Cc1ccc(O)c(O)c1)C(=O)O
(b) CCCOP(=O)(OCCC)Oc1ccc(SC)cc1
(c) CCOP(=S)(CCl)Oc1ccc(C#N)cc1OC
(d) CON(C)C(=O)Nc1ccc(Cl)c(Cl)c1
(e) Cc1ccc(N)cc1C
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}