Task: Please answer the multiple choice question.
Question: Rank these molecules from lowest to highest acute oral toxicity rat LD50.
Constraint: You must select all options from a, b, c, d, or e without using any other words.
Options:
[a] ON=C1C=CC(=NO)C=C1
[b] OC(c1ccccc1)(c1cncnc1)c1ccc(Cl)cc1Cl
[c] NC(=O)C(c1ccccc1)c1ccccc1
[d] CCOc1ccc(-c2ccccc2)cc1CN1CCCC1
[e] CCCCC(CC)COC(CBr)c1ccc(C2CCCCC2)cc1
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}