Task: Please answer the multiple choice question.
Question: Which molecule has the highest acute oral toxicity rat LD50?
Constraint: Even if you are not sure, you must pick either a, b, c, d, or e without using any other words.
Options:
[a] OCC(CO)(CCl)CCl
[b] Cc1oc(C)c(C(=O)Nc2ccccc2)c1C
[c] ClC1=C(Cl)C2(Cl)C(Cl)=C(Cl)C3C(Cl)C1CC32
[d] COCCC#N
[e] CNC(=O)Oc1ccccc1C1OCCO1
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}