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, or c without using any other words.
Options:
a. CCCCOC(=O)Oc1ccc([N+](=O)[O-])cc1[N+](=O)[O-]
b. COP(=S)(OC)SCSc1cc(Cl)cc(Cl)c1
c. CC(Cc1ccccc1)(NC(=O)CN)c1ccccc1
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}