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, or d without using any other words.
Options:
a) Nc1nc2ccc(Cl)cc2o1
b) CNC(=O)ON=C1SC(C)OC1C
c) CC(C)([N+](=O)[O-])C(C)(C)[N+](=O)[O-]
d) CNC(=C[N+](=O)[O-])NCCSCc1ccc(CN(C)C)o1
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}