Task: Please answer the multiple choice question.
Question: Rank these molecules from lowest to highest acute oral toxicity rat LD50.
Constraint: You must select all options from a, b, c, d, or e without using any additional words.
Options:
a O=C(Nc1ccc(Br)cc1)c1cc(Br)cc(Br)c1O
b CN(C)C(=O)C(CC[N+]1([O-])CCC(O)(c2ccc(Cl)cc2)CC1)(c1ccccc1)c1ccccc1
c Nc1ccc(Cc2ccc(N)c(Cl)c2)cc1Cl
d CSc1nc(NC(C)C)nc(NC(C)C)n1
e CN1C(=O)CN2CCc3ccccc3C2c2cc(Cl)ccc21
Answer: e
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}