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: O=c1[nH]c2ccc(Cl)cc2o1
b: CCOP(=S)(Oc1c(OC)cnn(C)c1=O)OC(C)C
c: CCOP(=O)(OCC)Sc1c(Cl)c(Cl)c(Cl)c(Cl)c1Cl
d: O=c1[nH]c2c(Cl)c(Cl)cc(Cl)c2o1
e: C=CCOC(=O)Cc1ccccc1
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}