Task: Please answer the multiple choice question.
Question: Rank these molecules from lowest to highest acute oral toxicity (LD50 in rats).
Constraint: You must select all options from a, b, c, d, or e without using any other words.
Options:
a: Oc1ccc(-c2ccc(O)cc2)cc1
b: COCCOCCOCCOC(C)=O
c: CNC(=O)Oc1cccc2ccoc12
d: OCC(O)C1CC=CCC1
e: CCCN(COC(C)=O)N=O
Answer: c
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}