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.) O=C(O)Cc1ccc2c(c1)OCc1ccccc1C2=O
b.) CCN1CCCC1CNS(=O)(=O)c1cc(Cl)c(N)cc1OC
c.) O=C(Nc1ccc(Br)cc1)c1cc(Br)ccc1O
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}