Task: Please answer the multiple choice question.
Question: Rank these molecules from lowest to highest acute oral toxicity (LD50 in rats).
Constraint: You must select all options from a, b, c, d, or e without using any additional words.
Options:
a O=C(O)Cn1c(=O)n(Cc2ccc(Br)cc2F)c(=O)c2ccc(F)cc21
b CCCCCCCCCc1ccc(O)cc1
c COc1c(OP(=S)(OCC(C)C)OCC(C)C)cnn(C)c1=O
d Cc1cccc(C)c1N
e C#CCOP(=O)(OCC(C)C)c1ccccc1
Answer: d
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}