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 other words.
Options:
a.) O=C(Nc1ccc(Cl)c(Cl)c1)c1cc(Cl)cc(Cl)c1O
b.) CCCCCCOC(CBr)c1ccc(C2CCCCC2)cc1
c.) C=C1CC(=O)O1
d.) O=P(N1CC1)(N1CC1)N1CC1
e.) CCOC(=O)C1CC2CC1C1OC21
Answer: a
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}