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, or c without using any additional words.
Options:
a. O=C(COc1ccc(Cc2ccc(Cl)cc2)cc1)OCc1cccnc1
b. CCCCn1c(=O)n(CCC)c(=O)c2[nH]c(C)nc21
c. CCCCCc1cc(O)c2c(c1)OC(C)(C)C1CC=C(C)CC21
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}