Task: Please answer the multiple choice question.
Question: Which molecule has the highest LD50 in rats (oral exposure)?
Constraint: Even if you are uncertain, you must pick either a, b, c, d, or e without using any additional words.
Options:
[a] CON(C)C(=O)Nc1ccc(Br)c(Cl)c1
[b] CCP(=S)(OC)Oc1ccc([N+](=O)[O-])cc1Cl
[c] CCc1cccc(C)c1N(C(=O)CCl)C(C)COC
[d] CCCCC(CC)CNc1ccccc1
[e] O=[N+]([O-])c1ccc(Cl)c(Cl)c1
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}