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, or c without using any other words.
Options:
a. CN(N=O)c1ccc(C=O)cc1
b. COC1=C(OC)C(=O)C(CCCCCCCCCCO)=C(C)C1=O
c. CCCOP(C)(=S)Oc1ccc([N+](=O)[O-])cc1
Answer: c
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}