Task: Please answer the multiple choice question.
Question: Rank these molecules from lowest to highest LD50 in rats (oral exposure).
Constraint: You must select all options from a, b, c, d, or e without using any additional words.
Options:
a: CCOC(C1=NCCCN1)c1cccc(F)c1
b: Nc1cccc(N)c1
c: CC(=O)ON(C(=O)OC(C)C)c1ccccc1
d: COC(=O)c1cc(C(=O)OC)cc([N+](=O)[O-])c1
e: CCCCOc1ccc(C(CN(C)C)C(C)CC)cc1Cl
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}