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. O=CC1CC=CCC1
b. C=CCCCC=CCO
c. Cc1cc(S(=O)(=O)c2ccccc2)ccc1NS(=O)(=O)C(F)(F)F
d. Cc1ccc(=O)n(-c2ccccc2)c1
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}