Task: Please answer the multiple choice question.
Question: Rank these molecules from lowest to highest acute oral toxicity rat LD50.
Constraint: You must select all options from a, b, or c without using any additional words.
Options:
a. S=c1[nH]c2ccc(Cl)cc2[nH]1
b. CC(=O)c1cc2c(cc1C)C(C)(C)C(C)CC2(C)C
c. CCN(CC)c1nc(NC(C)C)nc(OC)n1
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}