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 additional words.
Options:
a: O=C(c1ccc(Cl)cc1)c1ccccc1-c1ncc[nH]1
b: Cc1ccc2c(c1)CC(=O)c1cc(C(C)C(=O)O)ccc1O2
c: CCCCOCCOCC
d: CCOC(=O)C(Br)CBr
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}