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, or d without using any additional words.
Options:
a: CCOC(=O)Cc1ccc(-c2ccccc2)cc1
b: CCCC=CCO
c: CCCSCSP(=S)(OCC)OCC
d: O=C1OCCN1N=Cc1ccc([N+](=O)[O-])o1
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}