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 other words.
Options:
a O=C1NC(=O)C(c2ccccc2)(c2ccccc2)N1S(=O)(=O)c1ccccc1
b O=C(NC(O)C(Cl)(Cl)Cl)NC(O)C(Cl)(Cl)Cl
c O=[N+]([O-])c1ccc(Sc2ccc([N+](=O)[O-])cc2)cc1
d ClCC1(CCl)COC1
e Cc1cccc(C)c1NC(=O)CN1CCCC1=O
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}