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.) CCOC(C1=NCC(C)(C)CN1)c1cccc(F)c1
b.) CCC(C)c1cc([N+](=O)[O-])cc([N+](=O)[O-])c1O
c.) O=S(=O)(O)c1c(O)ccc2ccccc12
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}