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 additional words.
Options:
a: Fc1c(Br)c(Cl)c2nc(C(F)(F)F)[nH]c2c1Br
b: CCCCOCCOCCOCCOCCOCCCC
c: COc1ccc(C(=O)N2CCCC2=O)cc1
d: CC(C)(OOC(C)(C)c1ccccc1)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}