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.) CN1CC(CC(C#N)C(N)=O)CC2c3cccc4[nH]cc(c34)CC21
b.) C1=CC2C=CC1C2
c.) CCCSCSP(=S)(OCC)OCC
d.) CNC(=O)OCc1cccc(COC(=O)NC)n1
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}