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. CCCCOC(=O)COc1ccc(Cl)cc1C
b. Cc1cc(O)ccc1[N+](=O)[O-]
c. Cc1c(O)cccc1O
d. CC(C)=NNC(=O)CSc1cc(Oc2ccc(C)cc2)ncn1
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}