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: CCOP(=S)(OCC(C)C)Oc1cnn(C)c(=O)c1OC
b: BrC=Cc1ccccc1
c: CCCCOP(=O)(SCC)SCc1ccccc1
d: CCP(=S)(OC)Oc1cc(Cl)c(Br)cc1Cl
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}