Task: Please answer the multiple choice question.
Question: Rank these molecules from lowest to highest rat LD50 (oral exposure).
Constraint: You must select all options from a or b without using any additional words.
Options:
a) FC(F)(F)c1nc2c(Br)c(Br)c(Br)cc2[nH]1
b) O=C(O)Cc1sc(-c2ccccc2)nc1-c1ccc(Cl)cc1
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}