Task: Please answer the multiple choice question.
Question: Rank these molecules from lowest to highest rat LD50 (oral exposure).
Constraint: You must select all options from a, b, c, d, or e without using any additional words.
Options:
a: CCCCCCCCCCOC(=O)c1ccccc1C(=O)OCCCC
b: Nc1cccc([N+](=O)[O-])c1
c: Cc1onc2c(=O)n(C)nc(-c3ccccc3)c12
d: CCN(C(=O)N(CC)c1ccccc1)c1ccccc1
e: CCCCCCCCc1ccc(C)cc1O
Answer: b
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}