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. C[Si](C)(C)CCC(=O)O
b. O=C1CCC2CCCCC2O1
c. FC(F)(F)c1nc2c(Br)ccc(Br)c2[nH]1
d. CCOP(=S)(OCC)Oc1ccc2c(C)cc(=O)oc2c1
e. CCCCCCCCCCCCCO
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}