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 additional words.
Options:
a. CCC(=O)c1ccc2c(c1)N(CCCN(C)C)c1ccccc1S2
b. CCP(=O)(OC)Oc1ccc(C#N)cc1
c. CCOP(=S)(OCC)SCC(=O)N(CCC#N)c1ccccc1
d. Cc1ccc(S(=O)(=O)O)cc1
e. CCOP(=S)(OCC)SCSCc1ccccc1
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}