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 or b without using any additional words.
Options:
[a] COc1ccc2c(c1)c(CC(=O)OCOC(=O)c1cccc(C)c1)c(C)n2C(=O)c1ccc(Cl)cc1
[b] CN1C(C(=O)Nc2nccs2)=C(O)c2ccccc2S1(=O)=O
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}