Task: Please answer the multiple choice question.
Question: Rank these molecules from lowest to highest rat LD50 (oral exposure).
Constraint: You must select all options from a, b, or c without using any additional words.
Options:
a. Nc1ccc2c(S(=O)(=O)O)cc(S(=O)(=O)O)cc2c1
b. COP(C)(=S)Oc1ccc(S(C)=O)c(C)c1
c. CCOP(=S)(NC)Oc1ccc(SC)c(C)c1
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}