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 additional words.
Options:
[a] O=C1CC2OCC=C3CN4CCC56c7ccccc7N1C5C2C3CC46
[b] C#CC1(OC(N)=O)CCCCC1
[c] N#CC(=C1SCC(c2ccccc2Cl)S1)n1ccnc1
[d] Nc1ccc(-c2ccc(N)cc2[N+](=O)[O-])cc1
[e] C=CCC(CC)(CC)C(N)=O
Answer: a
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}