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, or d without using any other words.
Options:
a. Oc1ccccc1S
b. CC(C)(C(N)=O)c1ccccc1
c. CN(C)CCCC1c2ccccc2Nc2ccc(Cl)cc21
d. CCCCCCCCCCc1ccccc1S(=O)(=O)O
Answer: c
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}