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 additional words.
Options:
a: CCOP(=S)(OCC)Oc1cnc2ccccc2n1
b: CCCCC(CC)COCCC#N
c: O=C1C=CC(=O)N1c1cccc(N2C(=O)C=CC2=O)c1
d: CC(C)CCCC(C)(C)O
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}