Task: Please answer the multiple choice question.
Question: Rank these molecules from lowest to highest acute oral toxicity (LD50 in rats).
Constraint: You must select all options from a, b, c, d, or e without using any additional words.
Options:
[a] FC(F)(F)c1nc2c(Br)cc(Br)cc2[nH]1
[b] Nc1c(Cl)c(Cl)c2[nH]c(C(F)(F)F)nc2c1Cl
[c] COCCOC(N)=O
[d] O=C(O)c1ccccc1C(=O)Nc1cccc2ccccc12
[e] CN1CCC23NC(=O)CC(c4cc(Cl)ccc4O2)C3C1
Answer: e
Task: Please answer the multiple choice question.
Question: Rank these molecules from lowest to highest {acute_toxicity__names__noun}.
Constraint: You must select all options from {%multiple_choice_enum%2-5%aA1} without using any {#other|additional!} words.
Options:
{SMILES%acute_toxicity%}
Answer: {%multiple_choice_result}