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 additional words.
Options:
a CCCCN(C)N=O
b CCOC1Oc2ccc(OS(C)(=O)=O)cc2C1(C)C
c CCOC(=O)C1CCCCC1C(=O)OCC
d CNC(=O)OCc1cccc(COC(=O)NC)n1
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}