Task: Please answer the multiple choice question.
Question: Rank these molecules from lowest to highest LD50 in rats (oral exposure).
Constraint: You must select all options from a, b, c, or d without using any other words.
Options:
a. NC(=O)NN=Cc1ccc([N+](=O)[O-])o1
b. O=[N+]([O-])OCC(CO)O[N+](=O)[O-]
c. C[Si]1(C)OCCN(CCO)CCO1
d. C=CC(=O)OCCOC
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}