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, or c without using any other words.
Options:
a: C[Si]1(C)N[Si](C)(C)N[Si](C)(C)N[Si](C)(C)N1
b: O=[N+]([O-])c1cc[n+]([O-])cc1
c: COP(=O)(N=C1SCC(C)S1)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}