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.) CCc1ccccc1C=CC(O)=S
b.) CN(C)N=Nc1ccc(Br)cc1
c.) CC(=O)CCc1ccc(O)cc1
d.) COc1ccc2cc(CCC(C)=O)ccc2c1
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}