Task: Please answer the multiple choice question.
Question: Rank these molecules from lowest to highest acute oral toxicity rat LD50.
Constraint: You must select all options from a, b, c, d, or e without using any other words.
Options:
a. CC(=O)C(C)=O
b. O=C1C=CCC2C3CCCN4CCCC(CN12)C34
c. CCCCO[Si](OCCCC)(OCCCC)N(C)C1CCCCC1
d. CC(Cc1ccc(O)c(O)c1)C(C)Cc1ccc(O)c(O)c1
e. N#CC=CC#N
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}