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, or c without using any other words.
Options:
a: CCOC(C1=NCC(C)(C)CN1)c1cccc(Cl)c1
b: S=C=Nc1ccc(Br)cc1
c: COc1c(OP(=S)(OC)OC(C)C)cnn(C)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}