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, or d without using any other words.
Options:
a: CCCCNC(=O)c1ccccc1
b: CNC(=O)Oc1ccccc1CCCSC
c: CCCSP(C)(=S)Oc1cccc2sccc12
d: OC(CN1CCCCC1)c1cc(-c2ccccc2)on1
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}