Task: Please answer the multiple choice question.
Question: Rank these molecules from lowest to highest rat LD50 (oral exposure).
Constraint: You must select all options from a, b, c, d, or e without using any other words.
Options:
a.) CCCCCCOC(COCC(OCC)OCCCCCC)OCC
b.) O=NN1CCOCC1
c.) CC(=O)CCC(=O)O
d.) C=C[Si](C)(C)N[Si](C)(C)C=C
e.) CCOC(=O)CC(=O)OCC
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}