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] CC1CN1P(=O)(N1CC1C)N1CC1C
[b] CN(CCCn1cnc2c1c(=O)n(C)c(=O)n2C)c1ccccc1
[c] CCN1CCCC1CNS(=O)(=O)c1cc(Cl)c(N)cc1OC
[d] CCOC1CC(C)C=CO1
[e] O=C(OCC(O)CO)c1ccccc1Nc1ccnc2cc(Cl)ccc12
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}