Task: Please answer the multiple choice question.
Question: Which molecule has the highest rat LD50 (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] CC(C(=O)OCCCCO[N+](=O)[O-])c1ccc(-c2ccccc2)c(F)c1
[b] COc1ccc(-c2nc(C)c(C(N)=O)s2)cc1OC
[c] O=S(=O)(c1ccccc1)c1ccc(Cl)cc1
[d] COc1cc2c(c3oc4cccc(O)c4c(=O)c13)C1C=COC1O2
[e] CC(C)(C)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}