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, or d without using any other words.
Options:
a: C#CC(O)CCC
b: Nc1nccs1
c: NS(=O)(=O)c1c(Cl)c(Cl)c(Cl)c2[nH]c(C(F)(F)F)nc12
d: Cn1c(=O)on(-c2ccc(Cl)c(Cl)c2)c1=O
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}