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 other words.
Options:
[a] COP(=S)(OC)Oc1ccc(C#N)cc1
[b] CC(C)OP(=S)(CCl)Sc1ccc(Cl)cc1
[c] CCCCNC(C)c1ccccc1
[d] CCc1ccccc1N
[e] O=C(O)Cc1c(Cl)ccc(Cl)c1Cl
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}