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: CCCCCCCCOC(=O)c1ccccc1C(=O)OCCCCCCCC
b: CCOC(C1=NCCCN1)c1ccccc1
c: CC(=O)OCC(C(OC(C)=O)c1ccccc1)[N+](=O)[O-]
d: O=C(O)c1cc(Cl)ccc1C(=O)c1ccccc1
e: CC(=O)C(Cl)C(=O)OC(C)c1ccccc1
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}