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. CC(O)c1cc(N)cc(C(F)(F)F)c1
b. Nc1ccc([N+](=O)[O-])cc1
c. COc1ccc(CC(=S)N(C)C)cc1
d. CCOC(=O)CCCCCCCCC(C)c1ccc(I)cc1
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}