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, c, or d without using any other words.
Options:
a.) CCCCN(C)C(=O)Nc1ccc(Cl)c(Cl)c1
b.) Cc1ccc(N)cc1Br
c.) CCOP(=S)(OCC)Oc1ccc(Cl)cc1Cl
d.) C#CC(C)OC(=O)Nc1cccc(Cl)c1
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}