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. CCNC1C2CCC(C2)C1c1ccccc1
b. CC(CC=O)CC(C)(C)C
c. CCC(c1ccccc1)c1c(O)c2ccccc2oc1=O
d. Cc1ncc([N+](=O)[O-])n1CCO
Answer: d
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}