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 additional words.
Options:
a) CCOP(=O)(OCC)SCc1nnc(SC(C)C)s1
b) O=C(OCCCOCCCOC(=O)c1ccccc1)c1ccccc1
c) CS(=O)(=O)Oc1ccc(Cl)cc1Cl
d) CCOP(=O)(OCC)Oc1ccc([N+](=O)[O-])c(Cl)c1
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}