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 additional words.
Options:
a. CCC1(C)CC(=O)NC1=O
b. CC1=CC(=O)C(C(C)C)CC1
c. CC(=O)OC1CC2(O)C(CCC3(C)C(c4ccc(=O)oc4)CCC32O)C2(C)CCC(O)C=C12
d. CCCCOCC(C)O
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}