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, d, or e without using any other words.
Options:
a. COC(CN1CCN(CCC(O)c2ccccc2)CC1)c1ccccc1
b. O=[N+]([O-])c1cccc(C(F)(F)F)c1
c. O=C(Cl)OCc1ccccc1
d. COc1ccc(C=CC(=O)OCCC(C)C)cc1
e. CNC(=O)Oc1ccc(C)c(C)c1C
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}