Task: Please answer the multiple choice question.
Question: Rank these molecules from lowest to highest LD50 in rats (oral exposure).
Constraint: You must select all options from a, b, c, or d without using any other words.
Options:
a COc1ccccc1[N+](=O)[O-]
b CCCCC(CC)COC(CBr)c1ccc(Cl)c(Cl)c1
c CC(=O)CCc1ccccc1
d COc1ccc(NC(=O)CF)cc1
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}