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. C=C1CCC2CC1C2(C)C
b. CCc1ccc(C)[n+]([O-])c1
c. CCON=C(OC(=O)c1ccccc1)c1c(OC)ccc(Cl)c1OC
d. CCC1(NC(N)=O)CCCC1
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}