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: CCC(=O)OCc1ccccc1
b: COP(=O)(OC)OC(C)=CC(=O)Oc1ccc(C)cc1
c: Nc1ccc(O)c([N+](=O)[O-])c1
d: NC(=O)COc1ccc(Cl)cc1Cl
e: O=[N+]([O-])c1ccc(OP(=O)(OCCCl)OCCCl)cc1
Answer: b
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}