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 other words.
Options:
a.) Cc1onc2c(=O)n(C)nc(-c3ccccc3)c12
b.) Cc1ccc(C=O)cc1
c.) O=C(C=Cc1ccccc1)NO
d.) C#CC(C)N(C(=O)CCl)c1ccccc1
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}