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. C#CCOC(=O)CCCCC(=O)OCC#C
b. CCOC(C1=NCC(C)(C)N1)c1ccc(Cl)c(Cl)c1
c. C1CCOC1
d. FC(F)(F)c1nc2c(Br)c(Br)c(Br)c(Br)c2[nH]1
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}