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, or d without using any additional words.
Options:
a: O=C(O)CC(O)c1ccc(-c2ccc(Cl)cc2)o1
b: CCCCOCCOCCOCCCC
c: Clc1cccc(Sc2ccccc2)c1
d: CO[Si](CCCCCCCCCC[Si](OC)(OC)OC)(OC)OC
Answer: b
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}