Task: Please answer the multiple choice question.
Question: Which molecule has the highest rat LD50 (oral exposure)?
Constraint: Even if you are uncertain, you must pick either a, b, c, d, or e without using any other words.
Options:
[a] CN(C)CCN1CCN(C)CC1
[b] O=C1CCc2cccc3c2N1CC3
[c] CC(=O)Oc1ccc(-c2ccc(F)cc2)cc1C(=O)O
[d] N#CN=c1ccccn1Cc1c(Cl)cccc1Cl
[e] N#CCCSCCC#N
Answer: e
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}