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=C1CN=C(c2ccccn2)c2cc(Br)ccc2N1
b.) Oc1c(Cl)cc(Cl)c(Cl)c1Cc1c(O)c(Cl)cc(Cl)c1Cl
c.) O=C(O)C1CCc2cc(C3CCCCC3)c(O)cc21
d.) COc1ccc2c(c1)c(CC(=O)Oc1ccccc1C(=O)Oc1ccccc1C(=O)O)c(C)n2C(=O)c1ccc(Cl)cc1
e.) O=c1n(CC2CO2)c(=O)n(CC2CO2)n1CC1CO1
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}