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] CCCCCCCCCCCCCCCCCC1=NCCN1
[b] CC1=NN(c2ccccc2)C(=O)C1C=O
[c] CCCCC(CC)COC(CBr)c1ccc(C2CCCCC2)cc1
[d] OC(c1ccc(Cl)cc1)(c1cncnc1)c1ccccc1Cl
[e] CC(C)(c1cc(Cl)c(O)c(Cl)c1)c1cc(Cl)c(O)c(Cl)c1
Answer: d
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}