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.) O=C(Nc1ccc([N+](=O)[O-])cc1)OCc1cccnc1
b.) CCCCC1C(=O)NC(=O)N(C2CCCCC2)C1=O
c.) O=C1CCC(=O)O1
d.) N#CN=c1ccccn1Cc1ccccc1Cl
e.) FC(F)(F)c1nc2c(Cl)c(Cl)ccc2[nH]1
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}