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: Nc1cc(N2CCCCC2)nc(N)[n+]1[O-]
b: CC(C)OC(=O)Nc1ccccc1
c: CCOC(C1=NCC(C)CN1)c1ccc(Cl)cc1
d: O=C(c1ccccc1)N1CCN=C1Nc1c(Cl)cccc1Cl
e: O=C(O)COc1ccccc1
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}