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 additional words.
Options:
a) CC(C)(C)c1cc([N+](=O)[O-])cc([N+](=O)[O-])c1O
b) CCOc1ccc([N+](=O)[O-])cc1CNCCCl
c) COc1c(O)cc(Cl)c(Cl)c1Cl
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}