Task: Please answer the multiple choice question.
Question: Rank these molecules from lowest to highest acute oral toxicity rat LD50.
Constraint: You must select all options from a, b, c, d, or e without using any additional words.
Options:
a CC(C(=O)O)c1ccc(C2CCCCC2)cc1
b CC1(C)COS(=O)(=O)OC1
c O=C(NC(CCc1ccc2c(c1)OCO2)CCc1ccc2c(c1)OCO2)c1ccc(Cl)cc1
d O=c1oc2ccccc2c(O)c1C1CC(c2ccc(-c3ccc(Br)cc3)cc2)Cc2ccccc21
e NC1(C(=O)O)CCCC1
Answer: e
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}