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 other words.
Options:
a: CCSc1nc(NC(C)C)nc(NC(C)C)n1
b: COc1ccc2c3c1OC1C(O)C=CC4C(C2)N(C)CCC341
c: CC1=C(CC(=O)O)c2cc(F)ccc2C1=Cc1ccc(S(C)=O)cc1
d: O=c1n(CC2CO2)c(=O)n(CC2CO2)n1CC1CO1
e: c1ccc(-n2cnnc2)cc1
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}