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: C=CC(=O)OCC(CC)CCCC
b: N#CCN(CC#N)N=O
c: O=C(O)CNCP(=O)(O)O
d: FC(F)(F)c1nc2c(Br)c(Br)cc(Br)c2[nH]1
e: CNC1CCCCC1
Answer: a
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}