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, or c without using any additional words.
Options:
a: COC(C1=NCCCN1)c1ccc2ccccc2c1
b: CN(CCCn1cnc2c1c(=O)n(C)c(=O)n2C)c1ccccc1
c: Oc1ccc(-c2ccccc2)cc1CN1CCCCC1
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}