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, d, or e without using any other words.
Options:
a. CCCCCCCCCCc1ccccc1S(=O)(=O)O
b. CCOCCOCCOc1ccccc1
c. COc1ccc(N)cc1
d. O=Cc1ccccc1C(=O)O
e. CC(C)OP(=S)(OC(C)C)SCn1nc(Cl)ccc1=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}