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 or b without using any other words.
Options:
a. CC(Oc1ccc(Oc2nc3ccc(Cl)cc3o2)cc1)C(=O)O
b. CNC(=O)ON=CC(C)(C)S(C)(=O)=O
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}