Task: Please answer the multiple choice question.
Question: Rank these molecules from lowest to highest LD50 in rats (oral exposure).
Constraint: You must select all options from a, b, c, or d without using any other words.
Options:
a: CCCCCCCC(=O)Oc1c(Br)cc(C#N)cc1Br
b: CCOP(=S)(OCC)Oc1ccc(N=C=S)cc1
c: Nc1ccc(F)c(F)c1F
d: c1ccc2c(c1)Oc1ccccc1O2
Answer: c
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}