Task: Please answer the multiple choice question.
Question: Rank these molecules from lowest to highest acute oral toxicity (LD50 in rats).
Constraint: You must select all options from a, b, c, or d without using any other words.
Options:
a. CCc1cccc(C)c1N(C(=O)CCl)C(C)COC
b. CCOC(=O)C(CC)(C(=O)OCCN(CC)CC)c1ccccc1
c. CCCC1C(=O)N2C(N(C)C)=Nc3ccc(C)cc3N2C1=O
d. CCOc1ccccc1C(N)=O
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}