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, or d without using any other words.
Options:
a CCC(C)OC(CBr)c1cccc(Cl)c1
b COP(=S)(Oc1ccc([N+](=O)[O-])cc1)OC(C)C
c CCOP(=S)(OCC)Oc1cnn(C)c(=O)c1OC
d O=P(O)(O)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}